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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, is another subzero cold winter month in Chester, Iowa, with an average temperature ranging between max 20.8°F (-6.2°C) and min 8.6°F (-13°C). Chester's coldest month, January, registers temperatures that range from a high of 20.8°F (-6.2°C) to a low of 8.6°F (-13°C). Weather in January »
Weather in February
February, the last month of the winter in Chester, is also a subzero cold month, with temperature in the range of an average high of 24.6°F (-4.1°C) and an average low of 11.7°F (-11.3°C). The arrival of February sees a recorded average high-temperature of a still subzero cold 24.6°F (-4.1°C), showing little divergence from the previous month's conditions. Weather in February »
Weather in March
The first month of the spring, March, is a cold month in Chester, Iowa, with an average temperature ranging between max 39.7°F (4.3°C) and min 26.1°F (-3.3°C). As Chester transitions into March, a marked increase in the average high-temperature is observed, rising from a freezing cold 24.6°F (-4.1°C) in February to an icy 39.7°F (4.3°C). Weather in March »
Weather in April
April in Chester, Iowa, is a cool spring month, with an average temperature fluctuating between 37°F (2.8°C) and 52.9°F (11.6°C). The shift from March to April brings an increase in the average high-temperature, moving from a cold 39.7°F (4.3°C) to a cool 52.9°F (11.6°C). Weather in April »
Weather in May
The last month of the spring, May, is a refreshing month in Chester, Iowa, with an average temperature fluctuating between 48.7°F (9.3°C) and 64.9°F (18.3°C). May indicates a change in the average high-temperature, moving up from a fresh 52.9°F (11.6°C) in April to an enjoyable 64.9°F (18.3°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Chester, Iowa, with an average temperature fluctuating between 74.7°F (23.7°C) and 58.6°F (14.8°C). As Chester transitions into June, a rise in the average high-temperature is observed, moving from a refreshing 64.9°F (18.3°C) in May to a warm 74.7°F (23.7°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Chester, Iowa, with temperature in the range of an average high of 77.9°F (25.5°C) and an average low of 61.5°F (16.4°C). With average high temperatures of 77.9°F (25.5°C) and lows of 61.5°F (16.4°C), July is the warmest month. Weather in July »
Weather in August
August, the last month of the summer in Chester, is also a moderately hot month, with an average temperature ranging between max 76.5°F (24.7°C) and min 59°F (15°C). Chester's August average high-temperature settles at a still warm 76.5°F (24.7°C), showing a near match with the preceding month. Weather in August »
Weather in September
September, the first month of the autumn in Chester, is also an agreeable month, with temperature in the range of an average low of 52.2°F (11.2°C) and an average high of 70.5°F (21.4°C). During the shift to September, a minor reduction in average high-temperature is observed, shifting from a warm 76.5°F (24.7°C) in August to an agreeable 70.5°F (21.4°C). Weather in September »
Weather in October
October, the same as September, in Chester, Iowa, is another refreshing autumn month, with temperature in the range of an average low of 40.8°F (4.9°C) and an average high of 55.6°F (13.1°C). As Chester welcomes October, the average high-temperature witnesses a distinct drop, moving from a pleasant 70.5°F (21.4°C) in September to a refreshing 55.6°F (13.1°C). Weather in October »
Weather in November
November, the last month of the autumn in Chester, is also a wintry month, with an average temperature fluctuating between 28.4°F (-2°C) and 40.8°F (4.9°C). As Chester transitions into November, a noticeable drop in the average high-temperature is observed, falling from a refreshing 55.6°F (13.1°C) in October to a wintry 40.8°F (4.9°C). Weather in November »
Weather in December
The first month of the winter, December, is still a freezing cold month in Chester, Iowa, with an average temperature fluctuating between 16.2°F (-8.8°C) and 26.2°F (-3.2°C). December's arrival is marked by a significant decrease in the average high-temperature, moving from an icy 40.8°F (4.9°C) in November to a freezing cold 26.2°F (-3.2°C). Weather in December »
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest in Chester?
January proves to be the coldest month in Chester, recording an average maximum temperature of 20.8°F (-6.2°C) and a minimum temperature of 8.6°F (-13°C).
What is the most humid month in Chester?
The most humid month is January, with an average relative humidity of 90%.
What is the driest month in Chester?
The month with the least rainfall is January, when the rain falls for 4.1 days and typically collects 0.91" (23mm) of precipitation.
How much does it rain in Chester?
In Chester, Iowa, during the entire year, the rain falls for 136.6 days and collects up to 25.79" (655mm) of precipitation.
When does it snow in Chester?
January through May, October through December are months with snowfall.
How much does it snow in Chester?
In Chester, Iowa, during the entire year, snow falls for 60.5 days and aggregates up to 23.35" (593mm) of snow.
What is the month with the least sunshine in Chester?
With an average of 3.3h of sunshine, January has the least sunshine of the year.
When is the lowest UV index in Chester?
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index.
What is the snowiest month in Chester?
The month with the most snowfall in Chester is February, when snow falls for 12.3 days and typically aggregates up to 5.91" (150mm) of snow.
When is Daylight Saving Time (DST) in Chester?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Chester, Iowa, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.
What is the rainiest month in Chester?
The month with the most rainfall in Chester is June, when the rain falls for 19.1 days and typically aggregates up to 4.53" (115mm) of precipitation.
When it does not snow in Chester?
June through September are months without snowfall in Chester, Iowa.
When are the longest days in Chester?
The month with the longest days in Chester is June, with an average of 15h and 24min of daylight.
What is the hottest time of year in Chester?
With average high and low temperatures of 77.9°F (25.5°C) and 61.5°F (16.4°C) respectively, July is Chester's warmest month.
What month has the most sunshine in Chester?
The month with the most sunshine in Chester, Iowa, is July, with an average of 9.7h of sunshine.
What is the month with the highest UV index in Chester?
With an average maximum UV index of 6, July is the month with the highest UV index in Chester, Iowa.
What is the least humid month in Chester?
The least humid month is October, with an average relative humidity of 74%.
What is the month with the shortest days in Chester?
December has the shortest days of the year, with an average of 9h and 0min of daylight.
Average temperature
Chester, IA
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (20.8°F).
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (8.6°F).
Average pressure
Chester, IA
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.13"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.94"Hg - Average pressure in May:
29.94"Hg - Average pressure in June:
29.89"Hg
- Average pressure in July:
29.95"Hg - Average pressure in August:
29.96"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed
Chester, IA
- Average wind speed in January:
10.7mph - Average wind speed in February:
10.6mph - Average wind speed in March:
10.3mph - Average wind speed in April:
10.6mph - Average wind speed in May:
9.3mph - Average wind speed in June:
8.3mph
- Average wind speed in July:
7.3mph - Average wind speed in August:
7.3mph - Average wind speed in September:
8.5mph - Average wind speed in October:
9.9mph - Average wind speed in November:
10.6mph - Average wind speed in December:
10.1mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.3mph).
Average humidity
Chester, IA
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is October (74%).
Average rainfall
Chester, IA
- Average rainfall in January:
0.91" - Average rainfall in February:
1.14" - Average rainfall in March:
1.38" - Average rainfall in April:
2.6" - Average rainfall in May:
3.27" - Average rainfall in June:
4.53"
- Average rainfall in July:
2.83" - Average rainfall in August:
2.48" - Average rainfall in September:
2.05" - Average rainfall in October:
2.13" - Average rainfall in November:
1.18" - Average rainfall in December:
1.3"
The wettest month (with the highest rainfall) is June (4.53").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days
Chester, IA
- Average rainfall days in January:
4.1 days - Average rainfall days in February:
3.6 days - Average rainfall days in March:
10.6 days - Average rainfall days in April:
13.6 days - Average rainfall days in May:
17.5 days - Average rainfall days in June:
19.1 days
- Average rainfall days in July:
16.3 days - Average rainfall days in August:
14.7 days - Average rainfall days in September:
12.5 days - Average rainfall days in October:
11.3 days - Average rainfall days in November:
8 days - Average rainfall days in December:
5.3 days
The month with the highest number of rainy days is June (19.1 days).
The month with the least rainy days is February (3.6 days).
Average snowfall
Chester, IA
- Average snowfall in January:
4.69" - Average snowfall in February:
5.91" - Average snowfall in March:
3.07" - Average snowfall in April:
2.87" - Average snowfall in May:
0.67" - Average snowfall in June:
0"
The month with the highest snowfall is February (5.91").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Chester, IA
- Average snowfall days in January:
14.8 days - Average snowfall days in February:
12.3 days - Average snowfall days in March:
8.8 days - Average snowfall days in April:
3.9 days - Average snowfall days in May:
0.7 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
1.8 days - Average snowfall days in November:
5.7 days - Average snowfall days in December:
12.5 days
The month with the highest number of snowfall days is January (14.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Chester, IA
- Average daylight in January:
9h and 2min - Average daylight in February:
10h and 3min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 3min - Average daylight in May:
14h and 4min - Average daylight in June:
15h and 2min
- Average daylight in July:
15h and 0min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 4min - Average daylight in December:
9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January:
3h and 2min - Average sunshine in February:
3h and 3min - Average sunshine in March:
5h and 3min - Average sunshine in April:
7h and 2min - Average sunshine in May:
8h and 2min - Average sunshine in June:
9h and 1min
- Average sunshine in July:
9h and 4min - Average sunshine in August:
9h and 4min - Average sunshine in September:
8h and 5min - Average sunshine in October:
5h and 1min - Average sunshine in November:
4h and 5min - Average sunshine in December:
3h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days
Chester, IA
- Average sunshine days in January:
14 days - Average sunshine days in February:
13.6 days - Average sunshine days in March:
13.7 days - Average sunshine days in April:
12.1 days - Average sunshine days in May:
10.9 days - Average sunshine days in June:
8.8 days
- Average sunshine days in July:
10.6 days - Average sunshine days in August:
13.3 days - Average sunshine days in September:
15.2 days - Average sunshine days in October:
16.4 days - Average sunshine days in November:
16.6 days - Average sunshine days in December:
15 days
The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is June (8.8 days).
Average UV index
Chester, IA
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover
Chester, IA
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility
Chester, IA
The months with the highest visibility are March, April, May, June, August, September, October and November (6mi).
The months with the lowest visibility are January, February, July and December (5mi).
Chester, Iowa, USA
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