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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, the same as December, in Chester, Idaho, is another subzero cold winter month, with an average temperature varying between 27.1°F (-2.7°C) and 12.4°F (-10.9°C). Chester, Idaho, registers an average high-temperature of a still subzero cold 27.1°F (-2.7°C) at the commencement of January, closely related to the preceding month. Weather in January »
Weather in February
The last month of the winter, February, is also a subzero cold month in Chester, Idaho, with an average temperature fluctuating between 15.3°F (-9.3°C) and 29.7°F (-1.3°C). Chester records an average high-temperature of a still subzero cold 29.7°F (-1.3°C) in February, closely mirroring the climate of the previous month. Weather in February »
Weather in March
March, the first month of the spring in Chester, is an icy month, with an average temperature ranging between max 39°F (3.9°C) and min 23.9°F (-4.5°C). Chester's transition into March is marked by a rise in the average high-temperature, advancing from a subzero cold 29.7°F (-1.3°C) in February to a wintry 39°F (3.9°C). Weather in March »
Weather in April
April is a fresh spring month in Chester, Idaho, with an average temperature fluctuating between 31.8°F (-0.1°C) and 50.7°F (10.4°C). Chester sees a rise in temperature during April, with average high-temperatures transitioning from a wintry 39°F (3.9°C) in March to a cool 50.7°F (10.4°C). Weather in April »
Weather in May
May, the last month of the spring in Chester, is a comfortable month, with an average temperature fluctuating between 39.7°F (4.3°C) and 63°F (17.2°C). The transition to May introduces an increase in the average high-temperature, shifting from a cool 50.7°F (10.4°C) in April to an enjoyable 63°F (17.2°C). Weather in May »
Weather in June
June, the first month of the summer in Chester, is an agreeable month, with an average temperature ranging between max 73°F (22.8°C) and min 45.3°F (7.4°C). Chester's transition into June is marked by a temperature shift, moving from an enjoyable 63°F (17.2°C) in May to an agreeable 73°F (22.8°C). Weather in June »
Weather in July
July in Chester, Idaho, is a moderately hot summer month, with an average temperature fluctuating between 83.7°F (28.7°C) and 52.2°F (11.2°C). July, known for its average high temperature of 83.7°F (28.7°C) and an average low temperature of 52.2°F (11.2°C), is the warmest month. During July, the heat index is computed to be 82.4°F (28°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Chester, Idaho, with an average temperature varying between 52.5°F (11.4°C) and 82.9°F (28.3°C). Chester observes an average high-temperature of a still moderately hot 82.9°F (28.3°C) in August, barely different from 83.7°F (28.7°C) in July. Weather in August »
Weather in September
September, the first month of the autumn in Chester, is also an agreeable month, with an average temperature varying between 47.1°F (8.4°C) and 72.5°F (22.5°C). September's onset corresponds with a shift in the average high-temperature, moving from a moderately hot 82.9°F (28.3°C) in August to an agreeable 72.5°F (22.5°C). Weather in September »
Weather in October
October, like September, in Chester, Idaho, is another fresh autumn month, with an average temperature ranging between min 34.9°F (1.6°C) and max 53.8°F (12.1°C). Witnessing a clear downswing, the average high-temperature during October drops from September's pleasant 72.5°F (22.5°C) to a fresh 53.8°F (12.1°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 varying between 24.1°F (-4.4°C) and 39.2°F (4°C). A clear decrease in the average high-temperature is observed during November, decreasing from a fresh 53.8°F (12.1°C) in October to an icy 39.2°F (4°C). Weather in November »
Weather in December
December, the first month of the winter in Chester, is still a freezing cold month, with temperature in the range of an average high of 26.2°F (-3.2°C) and an average low of 14.2°F (-9.9°C). The month of December sees the lowest average temperatures, reaching 26.2°F (-3.2°C) at the peak and 14.2°F (-9.9°C) at the low. Weather in December »
Updated: Jun 8, 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 is the most humid month?
January is the most humid month, with an average relative humidity of 91%.
What is the rainiest month?
The month with the most rainfall is January, when the rain falls for 5.4 days and typically aggregates up to 1.5" (38mm) of precipitation.
How many days does it rain?
Throughout the year, there are 97.5 rainfall days, and 11.85" (301mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through May, September through December.
When does it snow the most?
January is the month with the most snowfall. Snow falls for 18.1 days and accumulates 11.97" (304mm) of snow.
How many days does it snow in Chester?
In Chester, during the entire year, snow falls for 83.8 days and aggregates up to 41.93" (1065mm) of snow.
What is the month with the least sunshine?
With an average of 4.3h of sunshine, January has the least sunshine of the year.
What are the months with the lowest UV index?
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from MST to MDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from MDT to MST.
When it does not snow?
June through August are months without snowfall.
When are the longest days?
With an average of 15h and 24min of daylight, June has the longest days of the year.
What month is the hottest?
The month of July sees the average highest temperatures, reaching 83.7°F (28.7°C) at the peak and 52.2°F (11.2°C) at the low.
What is the driest month?
The month with the least rainfall is July, when the rain falls for 5 days and typically collects 0.28" (7mm) of precipitation.
What month has the most sunshine?
July has the most sunshine of the year, with an average of 12.1h of sunshine.
When is the highest UV index?
The month with the highest UV index in Chester is July, with an average maximum UV index of 6.
What is the least humid month in Chester?
With an average relative humidity of 39%, August is the least humid month.
What time of the year is the coldest in Chester?
The coldest temperatures occur during December, when averages reach a peak of 26.2°F (-3.2°C) and a low of 14.2°F (-9.9°C).
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 0min of daylight.
Average temperature
Chester, ID
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is December (26.2°F).
The month with the highest average low temperature is August (52.5°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).
Average pressure
Chester, ID
- Average pressure in January:
30.28"Hg - Average pressure in February:
30.16"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
29.99"Hg - Average pressure in October:
30.06"Hg - Average pressure in November:
30.17"Hg - Average pressure in December:
30.26"Hg
The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Chester, ID
- Average wind speed in January:
4.2mph - Average wind speed in February:
5.1mph - Average wind speed in March:
5.7mph - Average wind speed in April:
6.8mph - Average wind speed in May:
6.7mph - Average wind speed in June:
6.9mph
- Average wind speed in July:
6.4mph - Average wind speed in August:
6.3mph - Average wind speed in September:
6.2mph - Average wind speed in October:
5.7mph - Average wind speed in November:
5.2mph - Average wind speed in December:
4.3mph
The windiest month (with the highest average wind speed) is June (6.9mph).
The calmest month (with the lowest average wind speed) is January (4.2mph).
Average humidity
Chester, ID
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (39%).
Average rainfall
Chester, ID
- Average rainfall in January:
1.5" - Average rainfall in February:
1.3" - Average rainfall in March:
1.22" - Average rainfall in April:
1.34" - Average rainfall in May:
1.1" - Average rainfall in June:
1.06"
- Average rainfall in July:
0.28" - Average rainfall in August:
0.39" - Average rainfall in September:
0.87" - Average rainfall in October:
0.87" - Average rainfall in November:
0.79" - Average rainfall in December:
1.14"
The wettest month (with the highest rainfall) is January (1.5").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days
Chester, ID
- Average rainfall days in January:
5.4 days - Average rainfall days in February:
6.6 days - Average rainfall days in March:
10.8 days - Average rainfall days in April:
13 days - Average rainfall days in May:
11.4 days - Average rainfall days in June:
9.4 days
- Average rainfall days in July:
5 days - Average rainfall days in August:
5.9 days - Average rainfall days in September:
7.1 days - Average rainfall days in October:
8.9 days - Average rainfall days in November:
7.4 days - Average rainfall days in December:
6.6 days
The month with the highest number of rainy days is April (13 days).
The month with the least rainy days is July (5 days).
Average snowfall
Chester, ID
- Average snowfall in January:
11.97" - Average snowfall in February:
8.07" - Average snowfall in March:
5.35" - Average snowfall in April:
2.05" - Average snowfall in May:
0.59" - Average snowfall in June:
0"
The month with the highest snowfall is January (11.97").
The months with the least snowfall are June, July and August (0").
Average snowfall days
Chester, ID
- Average snowfall days in January:
18.1 days - Average snowfall days in February:
16.8 days - Average snowfall days in March:
13.3 days - Average snowfall days in April:
5.4 days - Average snowfall days in May:
0.5 days - Average snowfall days in June:
0.2 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0.2 days - Average snowfall days in October:
2.5 days - Average snowfall days in November:
8.9 days - Average snowfall days in December:
17.9 days
The month with the highest number of snowfall days is January (18.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight / Average sunshine
Chester, ID
- 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 5min - Average daylight in June:
15h and 2min
- Average daylight in July:
15h and 1min - 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:
4h and 2min - Average sunshine in February:
5h and 1min - Average sunshine in March:
6h and 4min - Average sunshine in April:
10h and 0min - Average sunshine in May:
11h and 0min - Average sunshine in June:
11h and 3min
- Average sunshine in July:
12h and 1min - Average sunshine in August:
11h and 5min - Average sunshine in September:
10h and 0min - Average sunshine in October:
7h and 1min - Average sunshine in November:
6h and 1min - Average sunshine in December:
4h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days
Chester, ID
- Average sunshine days in January:
12.8 days - Average sunshine days in February:
10.6 days - Average sunshine days in March:
11.7 days - Average sunshine days in April:
12.5 days - Average sunshine days in May:
16.6 days - Average sunshine days in June:
18.6 days
- Average sunshine days in July:
24.8 days - Average sunshine days in August:
20.8 days - Average sunshine days in September:
20.7 days - Average sunshine days in October:
19.3 days - Average sunshine days in November:
17.3 days - Average sunshine days in December:
11.7 days
The month with the most sunshine days is July (24.8 days).
The month with the least sunshine days is February (10.6 days).
Average UV index
Chester, ID
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, ID
The month with the most cloud cover is February (Cloud cover 56).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility
Chester, ID
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (3mi).
Chester, Idaho, USA
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