Cass weather by month

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

Temperature in Cass (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
2°C maximum daytime temperature in January in Cass2
4°C maximum daytime temperature in February in Cass4
10°C maximum daytime temperature in March in Cass10
15°C maximum daytime temperature in April in Cass15
21°C maximum daytime temperature in May in Cass21
23°C maximum daytime temperature in June in Cass23
25°C maximum daytime temperature in July in Cass25
25°C maximum daytime temperature in August in Cass25
22°C maximum daytime temperature in September in Cass22
16°C maximum daytime temperature in October in Cass16
10°C maximum daytime temperature in November in Cass10
5°C maximum daytime temperature in December in Cass5
Min temperature (night-time)
-9°C minimum night-time temperature in January in Cass-9
-8°C minimum night-time temperature in February in Cass-8
-2°C minimum night-time temperature in March in Cass-2
3°C minimum night-time temperature in April in Cass3
7°C minimum night-time temperature in May in Cass7
11°C minimum night-time temperature in June in Cass11
13°C minimum night-time temperature in July in Cass13
13°C minimum night-time temperature in August in Cass13
9°C minimum night-time temperature in September in Cass9
3°C minimum night-time temperature in October in Cass3
-1°C minimum night-time temperature in November in Cass-1
-6°C minimum night-time temperature in December in Cass-6
Heat & Humidity
No heat & humidity in January in Cass0
No heat & humidity in February in Cass0
No heat & humidity in March in Cass0
No heat & humidity in April in Cass0
No heat & humidity in May in Cass0
No heat & humidity in June in Cass0
Low heat & humidity in July in CassL
Low heat & humidity in August in CassL
No heat & humidity in September in Cass0
No heat & humidity in October in Cass0
No heat & humidity in November in Cass0
No heat & humidity in December in Cass0

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

Sunshine & UV index in Cass

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
10 hours of daylight per day in January in Cass10
11 hours of daylight per day in February in Cass11
12 hours of daylight per day in March in Cass12
13 hours of daylight per day in April in Cass13
14 hours of daylight per day in May in Cass14
15 hours of daylight per day in June in Cass15
15 hours of daylight per day in July in Cass15
14 hours of daylight per day in August in Cass14
12 hours of daylight per day in September in Cass12
11 hours of daylight per day in October in Cass11
10 hours of daylight per day in November in Cass10
10 hours of daylight per day in December in Cass10
UV Index (Maximum)
UV (maximum) index 2 (Low) in January in Cass2
UV (maximum) index 3 (Moderate) in February in Cass3
UV (maximum) index 5 (Moderate) in March in Cass5
UV (maximum) index 7 (High) in April in Cass7
UV (maximum) index 8 (Very High) in May in Cass8
UV (maximum) index 10 (Very High) in June in Cass10
UV (maximum) index 10 (Very High) in July in Cass10
UV (maximum) index 9 (Very High) in August in Cass9
UV (maximum) index 7 (High) in September in Cass7
UV (maximum) index 5 (Moderate) in October in Cass5
UV (maximum) index 3 (Moderate) in November in Cass3
UV (maximum) index 2 (Low) in December in Cass2

Rainfall in Cass

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
17 days with some rainfall in January in Cass17
15 days with some rainfall in February in Cass15
16 days with some rainfall in March in Cass16
15 days with some rainfall in April in Cass15
14 days with some rainfall in May in Cass14
13 days with some rainfall in June in Cass13
14 days with some rainfall in July in Cass14
13 days with some rainfall in August in Cass13
11 days with some rainfall in September in Cass11
11 days with some rainfall in October in Cass11
14 days with some rainfall in November in Cass14
16 days with some rainfall in December in Cass16
Average monthly rainfall (mm)
110 mm monthly rainfall in January in Cass110
109 mm monthly rainfall in February in Cass109
130 mm monthly rainfall in March in Cass130
123 mm monthly rainfall in April in Cass123
133 mm monthly rainfall in May in Cass133
120 mm monthly rainfall in June in Cass120
143 mm monthly rainfall in July in Cass143
123 mm monthly rainfall in August in Cass123
111 mm monthly rainfall in September in Cass111
107 mm monthly rainfall in October in Cass107
112 mm monthly rainfall in November in Cass112
120 mm monthly rainfall in December in Cass120

More about Cass

Cass by month

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

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Expires at 23:59 on Thursday 31st Dec 2026

The climate guide for West Virginia (Cass) 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 Cass?

Cass has a cold climate with warm summers and some rainfall in all months.

Cass weather in January

Expect daytime maximum temperatures of 2°C in Cass, West Virginia in January based on long-term weather averages. There are 4 hours of sunshine per day on average with 17 days with some rainfall and typically 110 mm of rainfall in the month, which might fall as snow.

  • 2°C maximum daytime temperature in January in Cass2
    2°C max day temperature
  • 4 hours of sunshine per day
  • 17 days with some rainfall in January in Cass17
    17 days with some rainfall
  • -9°C minimum night-time temperature in January in Cass-9
    -9°C min night temperature
  • 10 hours of daylight per day in January in Cass10
    10 hours of daylight per day
  • No heat & humidity in January in Cass0
    No heat & humidity
  • 110 mm monthly rainfall in January in Cass110
    110 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in January in Cass2
    2 (Low) UV index

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Cass weather in February

Expect daytime maximum temperatures of 4°C in Cass, West Virginia in February based on long-term weather averages. There are 4 hours of sunshine per day on average with 15 days with some rainfall and typically 109 mm of rainfall in the month, which might fall as snow.

  • 4°C maximum daytime temperature in February in Cass4
    4°C max day temperature
  • 4 hours of sunshine per day
  • 15 days with some rainfall in February in Cass15
    15 days with some rainfall
  • -8°C minimum night-time temperature in February in Cass-8
    -8°C min night temperature
  • 11 hours of daylight per day in February in Cass11
    11 hours of daylight per day
  • No heat & humidity in February in Cass0
    No heat & humidity
  • 109 mm monthly rainfall in February in Cass109
    109 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in February in Cass3
    3 (Moderate) UV index

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Cass weather in March

Expect daytime maximum temperatures of 10°C in Cass, West Virginia in March based on long-term weather averages. There are 6 hours of sunshine per day on average with 16 days with some rainfall and typically 130 mm of rainfall in the month.

  • 10°C maximum daytime temperature in March in Cass10
    10°C max day temperature
  • 6 hours of sunshine per day
  • 16 days with some rainfall in March in Cass16
    16 days with some rainfall
  • -2°C minimum night-time temperature in March in Cass-2
    -2°C min night temperature
  • 12 hours of daylight per day in March in Cass12
    12 hours of daylight per day
  • No heat & humidity in March in Cass0
    No heat & humidity
  • 130 mm monthly rainfall in March in Cass130
    130 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in March in Cass5
    5 (Moderate) UV index

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Cass weather in April

Expect daytime maximum temperatures of 15°C in Cass, West Virginia in April based on long-term weather averages. There are 6 hours of sunshine per day on average with 15 days with some rainfall and typically 123 mm of rainfall in the month.

  • 15°C maximum daytime temperature in April in Cass15
    15°C max day temperature
  • 6 hours of sunshine per day
  • 15 days with some rainfall in April in Cass15
    15 days with some rainfall
  • 3°C minimum night-time temperature in April in Cass3
    3°C min night temperature
  • 13 hours of daylight per day in April in Cass13
    13 hours of daylight per day
  • No heat & humidity in April in Cass0
    No heat & humidity
  • 123 mm monthly rainfall in April in Cass123
    123 mm of monthly rainfall
  • UV (maximum) index 7 (High) in April in Cass7
    7 (High) UV index

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Cass weather in May

Expect daytime maximum temperatures of 21°C in Cass, West Virginia in May based on long-term weather averages. There are 7 hours of sunshine per day on average with 14 days with some rainfall and typically 133 mm of rainfall in the month.

  • 21°C maximum daytime temperature in May in Cass21
    21°C max day temperature
  • 7 hours of sunshine per day
  • 14 days with some rainfall in May in Cass14
    14 days with some rainfall
  • 7°C minimum night-time temperature in May in Cass7
    7°C min night temperature
  • 14 hours of daylight per day in May in Cass14
    14 hours of daylight per day
  • No heat & humidity in May in Cass0
    No heat & humidity
  • 133 mm monthly rainfall in May in Cass133
    133 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in May in Cass8
    8 (Very High) UV index

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Cass weather in June

Expect daytime maximum temperatures of 23°C in Cass, West Virginia in June based on long-term weather averages. There are 7 hours of sunshine per day on average with 13 days with some rainfall and typically 120 mm of rainfall in the month.

  • 23°C maximum daytime temperature in June in Cass23
    23°C max day temperature
  • 7 hours of sunshine per day
  • 13 days with some rainfall in June in Cass13
    13 days with some rainfall
  • 11°C minimum night-time temperature in June in Cass11
    11°C min night temperature
  • 15 hours of daylight per day in June in Cass15
    15 hours of daylight per day
  • No heat & humidity in June in Cass0
    No heat & humidity
  • 120 mm monthly rainfall in June in Cass120
    120 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in June in Cass10
    10 (Very High) UV index

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Cass weather in July

Expect daytime maximum temperatures of 25°C in Cass, West Virginia in July based on long-term weather averages. There are 7 hours of sunshine per day on average with 14 days with some rainfall and typically 143 mm of rainfall in the month.

  • 25°C maximum daytime temperature in July in Cass25
    25°C max day temperature
  • 7 hours of sunshine per day
  • 14 days with some rainfall in July in Cass14
    14 days with some rainfall
  • 13°C minimum night-time temperature in July in Cass13
    13°C min night temperature
  • 15 hours of daylight per day in July in Cass15
    15 hours of daylight per day
  • Low heat & humidity in July in CassL
    Low heat & humidity
  • 143 mm monthly rainfall in July in Cass143
    143 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in July in Cass10
    10 (Very High) UV index

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Cass weather in August

Expect daytime maximum temperatures of 25°C in Cass, West Virginia in August based on long-term weather averages. There are 7 hours of sunshine per day on average with 13 days with some rainfall and typically 123 mm of rainfall in the month.

  • 25°C maximum daytime temperature in August in Cass25
    25°C max day temperature
  • 7 hours of sunshine per day
  • 13 days with some rainfall in August in Cass13
    13 days with some rainfall
  • 13°C minimum night-time temperature in August in Cass13
    13°C min night temperature
  • 14 hours of daylight per day in August in Cass14
    14 hours of daylight per day
  • Low heat & humidity in August in CassL
    Low heat & humidity
  • 123 mm monthly rainfall in August in Cass123
    123 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in August in Cass9
    9 (Very High) UV index

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Cass weather in September

Expect daytime maximum temperatures of 22°C in Cass, West Virginia in September based on long-term weather averages. There are 6 hours of sunshine per day on average with 11 days with some rainfall and typically 111 mm of rainfall in the month.

  • 22°C maximum daytime temperature in September in Cass22
    22°C max day temperature
  • 6 hours of sunshine per day
  • 11 days with some rainfall in September in Cass11
    11 days with some rainfall
  • 9°C minimum night-time temperature in September in Cass9
    9°C min night temperature
  • 12 hours of daylight per day in September in Cass12
    12 hours of daylight per day
  • No heat & humidity in September in Cass0
    No heat & humidity
  • 111 mm monthly rainfall in September in Cass111
    111 mm of monthly rainfall
  • UV (maximum) index 7 (High) in September in Cass7
    7 (High) UV index

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Cass weather in October

Expect daytime maximum temperatures of 16°C in Cass, West Virginia in October based on long-term weather averages. There are 6 hours of sunshine per day on average with 11 days with some rainfall and typically 107 mm of rainfall in the month.

  • 16°C maximum daytime temperature in October in Cass16
    16°C max day temperature
  • 6 hours of sunshine per day
  • 11 days with some rainfall in October in Cass11
    11 days with some rainfall
  • 3°C minimum night-time temperature in October in Cass3
    3°C min night temperature
  • 11 hours of daylight per day in October in Cass11
    11 hours of daylight per day
  • No heat & humidity in October in Cass0
    No heat & humidity
  • 107 mm monthly rainfall in October in Cass107
    107 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in October in Cass5
    5 (Moderate) UV index

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Cass weather in November

Expect daytime maximum temperatures of 10°C in Cass, West Virginia in November based on long-term weather averages. There are 4 hours of sunshine per day on average with 14 days with some rainfall and typically 112 mm of rainfall in the month.

  • 10°C maximum daytime temperature in November in Cass10
    10°C max day temperature
  • 4 hours of sunshine per day
  • 14 days with some rainfall in November in Cass14
    14 days with some rainfall
  • -1°C minimum night-time temperature in November in Cass-1
    -1°C min night temperature
  • 10 hours of daylight per day in November in Cass10
    10 hours of daylight per day
  • No heat & humidity in November in Cass0
    No heat & humidity
  • 112 mm monthly rainfall in November in Cass112
    112 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in November in Cass3
    3 (Moderate) UV index

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Cass weather in December

Expect daytime maximum temperatures of 5°C in Cass, West Virginia in December based on long-term weather averages. There are 3 hours of sunshine per day on average with 16 days with some rainfall and typically 120 mm of rainfall in the month, which might fall as snow.

  • 5°C maximum daytime temperature in December in Cass5
    5°C max day temperature
  • 3 hours of sunshine per day
  • 16 days with some rainfall in December in Cass16
    16 days with some rainfall
  • -6°C minimum night-time temperature in December in Cass-6
    -6°C min night temperature
  • 10 hours of daylight per day in December in Cass10
    10 hours of daylight per day
  • No heat & humidity in December in Cass0
    No heat & humidity
  • 120 mm monthly rainfall in December in Cass120
    120 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in December in Cass2
    2 (Low) UV index

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More about Cass

Cass by month

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

Recommended for West Virginia

  • Save EXTRA 5% on airport transfers worldwide
  • Book private taxis & shuttle buses with discount code
  • Enter in coupon box on 'Reservations' page
Show discount codeShow discount code ******WEB

Expires at 23:59 on Thursday 31st Dec 2026

The climate guide for West Virginia (Cass) 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.

Compare Cass weather with the UK

The weather chart below compares the average monthly maximum daytime temperature for Cass, West Virginia, USA and the UK (London).

Maximum daytime temperature (°C)

Cass, West Virginia, USA
UK (London)
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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

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