Marion weather by month

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

Temperature in Marion (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
4°C maximum daytime temperature in January in Marion4
7°C maximum daytime temperature in February in Marion7
14°C maximum daytime temperature in March in Marion14
20°C maximum daytime temperature in April in Marion20
25°C maximum daytime temperature in May in Marion25
30°C maximum daytime temperature in June in Marion30
32°C maximum daytime temperature in July in Marion32
31°C maximum daytime temperature in August in Marion31
27°C maximum daytime temperature in September in Marion27
21°C maximum daytime temperature in October in Marion21
14°C maximum daytime temperature in November in Marion14
7°C maximum daytime temperature in December in Marion7
Min temperature (night-time)
-6°C minimum night-time temperature in January in Marion-6
-4°C minimum night-time temperature in February in Marion-4
2°C minimum night-time temperature in March in Marion2
8°C minimum night-time temperature in April in Marion8
12°C minimum night-time temperature in May in Marion12
17°C minimum night-time temperature in June in Marion17
19°C minimum night-time temperature in July in Marion19
18°C minimum night-time temperature in August in Marion18
14°C minimum night-time temperature in September in Marion14
7°C minimum night-time temperature in October in Marion7
2°C minimum night-time temperature in November in Marion2
-3°C minimum night-time temperature in December in Marion-3
Heat & Humidity
No heat & humidity in January in Marion0
No heat & humidity in February in Marion0
No heat & humidity in March in Marion0
No heat & humidity in April in Marion0
No heat & humidity in May in Marion0
Moderate heat & humidity in June in MarionM
High heat & humidity in July in MarionH
High heat & humidity in August in MarionH
Low heat & humidity in September in MarionL
No heat & humidity in October in Marion0
No heat & humidity in November in Marion0
No heat & humidity in December in Marion0

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

Sunshine & Daylight in Marion

  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 Marion10
11 hours of daylight per day in February in Marion11
12 hours of daylight per day in March in Marion12
13 hours of daylight per day in April in Marion13
14 hours of daylight per day in May in Marion14
15 hours of daylight per day in June in Marion15
14 hours of daylight per day in July in Marion14
14 hours of daylight per day in August in Marion14
12 hours of daylight per day in September in Marion12
11 hours of daylight per day in October in Marion11
10 hours of daylight per day in November in Marion10
10 hours of daylight per day in December in Marion10
UV Index (Maximum)
UV (maximum) index 2 (Low) in January in Marion2
UV (maximum) index 3 (Moderate) in February in Marion3
UV (maximum) index 5 (Moderate) in March in Marion5
UV (maximum) index 7 (High) in April in Marion7
UV (maximum) index 8 (Very High) in May in Marion8
UV (maximum) index 9 (Very High) in June in Marion9
UV (maximum) index 10 (Very High) in July in Marion10
UV (maximum) index 9 (Very High) in August in Marion9
UV (maximum) index 7 (High) in September in Marion7
UV (maximum) index 5 (Moderate) in October in Marion5
UV (maximum) index 3 (Moderate) in November in Marion3
UV (maximum) index 2 (Low) in December in Marion2

Rainfall in Marion

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
9 days with some rainfall in January in Marion9
9 days with some rainfall in February in Marion9
12 days with some rainfall in March in Marion12
11 days with some rainfall in April in Marion11
10 days with some rainfall in May in Marion10
9 days with some rainfall in June in Marion9
9 days with some rainfall in July in Marion9
8 days with some rainfall in August in Marion8
8 days with some rainfall in September in Marion8
8 days with some rainfall in October in Marion8
10 days with some rainfall in November in Marion10
10 days with some rainfall in December in Marion10
Average monthly rainfall (mm)
72 mm monthly rainfall in January in Marion72
78 mm monthly rainfall in February in Marion78
124 mm monthly rainfall in March in Marion124
110 mm monthly rainfall in April in Marion110
124 mm monthly rainfall in May in Marion124
96 mm monthly rainfall in June in Marion96
100 mm monthly rainfall in July in Marion100
88 mm monthly rainfall in August in Marion88
81 mm monthly rainfall in September in Marion81
75 mm monthly rainfall in October in Marion75
104 mm monthly rainfall in November in Marion104
102 mm monthly rainfall in December in Marion102

More about Marion

Marion by month

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

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The climate guide for Illinois (Marion) 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 Marion?

Marion has a cold climate with hot summers and some rainfall in all months.

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

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Tropical storm risk: Marion, Illinois hurricane season

% of month affected by tropical storms
0
0
0
0
0
0
0
0
0
0
0
0
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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More about the USA

Compare Marion with the UK

Below the Marion chart shows average maximum daytime temperature for Marion, Illinois, USA and the UK (London).

Maximum daytime temperature (°C)

Marion, Illinois, USA
UK (London)
4
7
7
7
14
10
20
13
25
17
30
20
32
22
31
22
27
19
21
15
14
10
7
8
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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

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