Monterrey weather by month

Check out Monterrey weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature in Monterrey (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
20°C maximum daytime temperature in January in Monterrey20
23°C maximum daytime temperature in February in Monterrey23
26°C maximum daytime temperature in March in Monterrey26
30°C maximum daytime temperature in April in Monterrey30
32°C maximum daytime temperature in May in Monterrey32
34°C maximum daytime temperature in June in Monterrey34
35°C maximum daytime temperature in July in Monterrey35
35°C maximum daytime temperature in August in Monterrey35
31°C maximum daytime temperature in September in Monterrey31
27°C maximum daytime temperature in October in Monterrey27
23°C maximum daytime temperature in November in Monterrey23
21°C maximum daytime temperature in December in Monterrey21
Min temperature (night-time)
8°C minimum night-time temperature in January in Monterrey8
10°C minimum night-time temperature in February in Monterrey10
13°C minimum night-time temperature in March in Monterrey13
18°C minimum night-time temperature in April in Monterrey18
20°C minimum night-time temperature in May in Monterrey20
22°C minimum night-time temperature in June in Monterrey22
23°C minimum night-time temperature in July in Monterrey23
23°C minimum night-time temperature in August in Monterrey23
21°C minimum night-time temperature in September in Monterrey21
17°C minimum night-time temperature in October in Monterrey17
12°C minimum night-time temperature in November in Monterrey12
10°C minimum night-time temperature in December in Monterrey10
Heat & Humidity
No heat & humidity in January in Monterrey0
No heat & humidity in February in Monterrey0
Low heat & humidity in March in MonterreyL
Moderate heat & humidity in April in MonterreyM
High heat & humidity in May in MonterreyH
Very high heat & humidity in June in MonterreyVH
Very high heat & humidity in July in MonterreyVH
Very high heat & humidity in August in MonterreyVH
High heat & humidity in September in MonterreyH
Moderate heat & humidity in October in MonterreyM
No heat & humidity in November in Monterrey0
No heat & humidity in December in Monterrey0

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & UV index in Monterrey

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
11 hours of daylight per day in January in Monterrey11
11 hours of daylight per day in February in Monterrey11
12 hours of daylight per day in March in Monterrey12
13 hours of daylight per day in April in Monterrey13
13 hours of daylight per day in May in Monterrey13
14 hours of daylight per day in June in Monterrey14
14 hours of daylight per day in July in Monterrey14
13 hours of daylight per day in August in Monterrey13
12 hours of daylight per day in September in Monterrey12
12 hours of daylight per day in October in Monterrey12
11 hours of daylight per day in November in Monterrey11
11 hours of daylight per day in December in Monterrey11
UV Index (Maximum)
UV (maximum) index 5 (Moderate) in January in Monterrey5
UV (maximum) index 7 (High) in February in Monterrey7
UV (maximum) index 10 (Very High) in March in Monterrey10
UV (maximum) index 11 (Extreme) in April in Monterrey11
UV (maximum) index 11+ (Extreme) in May in Monterrey11
UV (maximum) index 11+ (Extreme) in June in Monterrey11
UV (maximum) index 11+ (Extreme) in July in Monterrey11
UV (maximum) index 11+ (Extreme) in August in Monterrey11
UV (maximum) index 11 (Extreme) in September in Monterrey11
UV (maximum) index 9 (Very High) in October in Monterrey9
UV (maximum) index 6 (High) in November in Monterrey6
UV (maximum) index 5 (Moderate) in December in Monterrey5

Rainfall in Monterrey

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
4 days with some rainfall in January in Monterrey4
4 days with some rainfall in February in Monterrey4
3 days with some rainfall in March in Monterrey3
4 days with some rainfall in April in Monterrey4
5 days with some rainfall in May in Monterrey5
5 days with some rainfall in June in Monterrey5
4 days with some rainfall in July in Monterrey4
6 days with some rainfall in August in Monterrey6
8 days with some rainfall in September in Monterrey8
6 days with some rainfall in October in Monterrey6
4 days with some rainfall in November in Monterrey4
3 days with some rainfall in December in Monterrey3
Average monthly rainfall (mm)
18 mm monthly rainfall in January in Monterrey18
21 mm monthly rainfall in February in Monterrey21
19 mm monthly rainfall in March in Monterrey19
32 mm monthly rainfall in April in Monterrey32
48 mm monthly rainfall in May in Monterrey48
73 mm monthly rainfall in June in Monterrey73
54 mm monthly rainfall in July in Monterrey54
91 mm monthly rainfall in August in Monterrey91
156 mm monthly rainfall in September in Monterrey156
81 mm monthly rainfall in October in Monterrey81
25 mm monthly rainfall in November in Monterrey25
17 mm monthly rainfall in December in Monterrey17

More about Monterrey

Monterrey by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for Mexico (Monterrey) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Monterrey?

Monterrey has a hot semi arid climate.

Monterrey weather in January

Expect daytime maximum temperatures of 20°C in Monterrey, Mexico in January based on long-term weather averages. There are 4 hours of sunshine per day on average.

  • 20°C maximum daytime temperature in January in Monterrey20
    20°C max day temperature
  • 4 hours of sunshine per day
  • 4 days with some rainfall in January in Monterrey4
    4 days with some rainfall
  • 8°C minimum night-time temperature in January in Monterrey8
    8°C min night temperature
  • 11 hours of daylight per day in January in Monterrey11
    11 hours of daylight per day
  • No heat & humidity in January in Monterrey0
    No heat & humidity
  • 18 mm monthly rainfall in January in Monterrey18
    18 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in January in Monterrey5
    5 (Moderate) UV index

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Monterrey weather in February

Expect daytime maximum temperatures of 23°C in Monterrey, Mexico in February based on long-term weather averages. There are 4 hours of sunshine per day on average.

  • 23°C maximum daytime temperature in February in Monterrey23
    23°C max day temperature
  • 4 hours of sunshine per day
  • 4 days with some rainfall in February in Monterrey4
    4 days with some rainfall
  • 10°C minimum night-time temperature in February in Monterrey10
    10°C min night temperature
  • 11 hours of daylight per day in February in Monterrey11
    11 hours of daylight per day
  • No heat & humidity in February in Monterrey0
    No heat & humidity
  • 21 mm monthly rainfall in February in Monterrey21
    21 mm of monthly rainfall
  • UV (maximum) index 7 (High) in February in Monterrey7
    7 (High) UV index

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Monterrey weather in March

Expect daytime maximum temperatures of 26°C in Monterrey, Mexico in March based on long-term weather averages. There are 5 hours of sunshine per day on average.

  • 26°C maximum daytime temperature in March in Monterrey26
    26°C max day temperature
  • 5 hours of sunshine per day
  • 3 days with some rainfall in March in Monterrey3
    3 days with some rainfall
  • 13°C minimum night-time temperature in March in Monterrey13
    13°C min night temperature
  • 12 hours of daylight per day in March in Monterrey12
    12 hours of daylight per day
  • Low heat & humidity in March in MonterreyL
    Low heat & humidity
  • 19 mm monthly rainfall in March in Monterrey19
    19 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in March in Monterrey10
    10 (Very High) UV index

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Monterrey weather in April

Expect daytime maximum temperatures of 30°C in Monterrey, Mexico in April based on long-term weather averages. There are 5 hours of sunshine per day on average.

  • 30°C maximum daytime temperature in April in Monterrey30
    30°C max day temperature
  • 5 hours of sunshine per day
  • 4 days with some rainfall in April in Monterrey4
    4 days with some rainfall
  • 18°C minimum night-time temperature in April in Monterrey18
    18°C min night temperature
  • 13 hours of daylight per day in April in Monterrey13
    13 hours of daylight per day
  • Moderate heat & humidity in April in MonterreyM
    Moderate heat & humidity
  • 32 mm monthly rainfall in April in Monterrey32
    32 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in April in Monterrey11
    11 (Extreme) UV index

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Monterrey weather in May

Expect daytime maximum temperatures of 32°C in Monterrey, Mexico in May and high heat and humidity based on long-term weather averages. There are 5 hours of sunshine per day on average with typically 48 mm of rainfall in the month.

  • 32°C maximum daytime temperature in May in Monterrey32
    32°C max day temperature
  • 5 hours of sunshine per day
  • 5 days with some rainfall in May in Monterrey5
    5 days with some rainfall
  • 20°C minimum night-time temperature in May in Monterrey20
    20°C min night temperature
  • 13 hours of daylight per day in May in Monterrey13
    13 hours of daylight per day
  • High heat & humidity in May in MonterreyH
    High heat & humidity
  • 48 mm monthly rainfall in May in Monterrey48
    48 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in May in Monterrey11
    11+ (Extreme) UV index

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Monterrey weather in June

Expect daytime maximum temperatures of 34°C in Monterrey, Mexico in June and very high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with typically 73 mm of rainfall in the month.

  • 34°C maximum daytime temperature in June in Monterrey34
    34°C max day temperature
  • 6 hours of sunshine per day
  • 5 days with some rainfall in June in Monterrey5
    5 days with some rainfall
  • 22°C minimum night-time temperature in June in Monterrey22
    22°C min night temperature
  • 14 hours of daylight per day in June in Monterrey14
    14 hours of daylight per day
  • Very high heat & humidity in June in MonterreyVH
    Very High heat & humidity
  • 73 mm monthly rainfall in June in Monterrey73
    73 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in June in Monterrey11
    11+ (Extreme) UV index

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Monterrey weather in July

Expect daytime maximum temperatures of 35°C in Monterrey, Mexico in July and very high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 54 mm of rainfall in the month.

  • 35°C maximum daytime temperature in July in Monterrey35
    35°C max day temperature
  • 7 hours of sunshine per day
  • 4 days with some rainfall in July in Monterrey4
    4 days with some rainfall
  • 23°C minimum night-time temperature in July in Monterrey23
    23°C min night temperature
  • 14 hours of daylight per day in July in Monterrey14
    14 hours of daylight per day
  • Very high heat & humidity in July in MonterreyVH
    Very High heat & humidity
  • 54 mm monthly rainfall in July in Monterrey54
    54 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in July in Monterrey11
    11+ (Extreme) UV index

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Monterrey weather in August

Expect daytime maximum temperatures of 35°C in Monterrey, Mexico in August and very high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with typically 91 mm of rainfall in the month.

  • 35°C maximum daytime temperature in August in Monterrey35
    35°C max day temperature
  • 6 hours of sunshine per day
  • 6 days with some rainfall in August in Monterrey6
    6 days with some rainfall
  • 23°C minimum night-time temperature in August in Monterrey23
    23°C min night temperature
  • 13 hours of daylight per day in August in Monterrey13
    13 hours of daylight per day
  • Very high heat & humidity in August in MonterreyVH
    Very High heat & humidity
  • 91 mm monthly rainfall in August in Monterrey91
    91 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in August in Monterrey11
    11+ (Extreme) UV index

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Monterrey weather in September

Expect daytime maximum temperatures of 31°C in Monterrey, Mexico in September and high heat and humidity based on long-term weather averages. There are 5 hours of sunshine per day on average with typically 156 mm of rainfall in the month.

  • 31°C maximum daytime temperature in September in Monterrey31
    31°C max day temperature
  • 5 hours of sunshine per day
  • 8 days with some rainfall in September in Monterrey8
    8 days with some rainfall
  • 21°C minimum night-time temperature in September in Monterrey21
    21°C min night temperature
  • 12 hours of daylight per day in September in Monterrey12
    12 hours of daylight per day
  • High heat & humidity in September in MonterreyH
    High heat & humidity
  • 156 mm monthly rainfall in September in Monterrey156
    156 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in September in Monterrey11
    11 (Extreme) UV index

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Monterrey weather in October

Expect daytime maximum temperatures of 27°C in Monterrey, Mexico in October based on long-term weather averages. There are 4 hours of sunshine per day on average with typically 81 mm of rainfall in the month.

  • 27°C maximum daytime temperature in October in Monterrey27
    27°C max day temperature
  • 4 hours of sunshine per day
  • 6 days with some rainfall in October in Monterrey6
    6 days with some rainfall
  • 17°C minimum night-time temperature in October in Monterrey17
    17°C min night temperature
  • 12 hours of daylight per day in October in Monterrey12
    12 hours of daylight per day
  • Moderate heat & humidity in October in MonterreyM
    Moderate heat & humidity
  • 81 mm monthly rainfall in October in Monterrey81
    81 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in October in Monterrey9
    9 (Very High) UV index

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Monterrey weather in November

Expect daytime maximum temperatures of 23°C in Monterrey, Mexico in November based on long-term weather averages. There are 4 hours of sunshine per day on average.

  • 23°C maximum daytime temperature in November in Monterrey23
    23°C max day temperature
  • 4 hours of sunshine per day
  • 4 days with some rainfall in November in Monterrey4
    4 days with some rainfall
  • 12°C minimum night-time temperature in November in Monterrey12
    12°C min night temperature
  • 11 hours of daylight per day in November in Monterrey11
    11 hours of daylight per day
  • No heat & humidity in November in Monterrey0
    No heat & humidity
  • 25 mm monthly rainfall in November in Monterrey25
    25 mm of monthly rainfall
  • UV (maximum) index 6 (High) in November in Monterrey6
    6 (High) UV index

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Monterrey weather in December

Expect daytime maximum temperatures of 21°C in Monterrey, Mexico in December based on long-term weather averages. There are 4 hours of sunshine per day on average.

  • 21°C maximum daytime temperature in December in Monterrey21
    21°C max day temperature
  • 4 hours of sunshine per day
  • 3 days with some rainfall in December in Monterrey3
    3 days with some rainfall
  • 10°C minimum night-time temperature in December in Monterrey10
    10°C min night temperature
  • 11 hours of daylight per day in December in Monterrey11
    11 hours of daylight per day
  • No heat & humidity in December in Monterrey0
    No heat & humidity
  • 17 mm monthly rainfall in December in Monterrey17
    17 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in December in Monterrey5
    5 (Moderate) UV index

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More about Monterrey

Monterrey by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Mexico

  • Explore latest special offers & online deals from TUI
  • Free child places & £0 deposits with direct debit available
  • Book summer & winter sun holidays in 2026/2027

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The climate guide for Mexico (Monterrey) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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Compare Monterrey weather with the UK

The weather chart below compares the average monthly maximum daytime temperature for Monterrey, Mexico and the UK (London).

Maximum daytime temperature (°C)

Monterrey, Mexico
UK (London)
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C / mm)  |  Imperial (°F / inches)

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