Climate and monthly weather forecastChapin, ID
Climate and monthly weather forecast
Weather in January
January, the same as December, in Chapin, Idaho, is a freezing cold winter month, with an average temperature ranging between min 7.9°F (-13.4°C) and max 25.2°F (-3.8°C). Chapin notes an average high-temperature of a still subzero cold 25.2°F (-3.8°C) in January, displaying minor variation from December. Weather in January »Weather in February
The last month of the winter, February, is also a subzero cold month in Chapin, Idaho, with an average temperature ranging between max 25.5°F (-3.6°C) and min 9.9°F (-12.3°C). The arrival of February coincides with an average high-temperature of a still freezing cold 25.5°F (-3.6°C), indicating a minimal shift from January's 25.2°F (-3.8°C). Weather in February »Weather in March
March, the first month of the spring in Chapin, is a wintry month, with an average temperature ranging between min 16.7°F (-8.5°C) and max 32.5°F (0.3°C). March introduces a minor temperature shift, with average high-temperatures adjusting from February's subzero cold 25.5°F (-3.6°C) to an icy 32.5°F (0.3°C). Weather in March »Weather in April
April, like March, in Chapin, Idaho, is another cold spring month, with an average temperature fluctuating between 22.8°F (-5.1°C) and 40.1°F (4.5°C). A soft shift in the average high-temperature is noticeable in April, transitioning from 32.5°F (0.3°C) in March to a still cold 40.1°F (4.5°C). Weather in April »Weather in May
May, the last month of the spring in Chapin, is a fresh month, with an average temperature fluctuating between 53.6°F (12°C) and 32°F (0°C). Chapin's weather shows a temperature rise with the arrival of May, moving from a cold 40.1°F (4.5°C) in April to a cool 53.6°F (12°C). Weather in May »Weather in June
June, the first month of the summer in Chapin, is a refreshing month, with an average temperature varying between 64.8°F (18.2°C) and 39°F (3.9°C). The arrival of June brings an increase in high-temperatures, moving from a fresh 53.6°F (12°C) in May to a refreshing 64.8°F (18.2°C). Weather in June »Weather in July
July is a warm summer month in Chapin, Idaho, with an average temperature varying between 75.4°F (24.1°C) and 46.9°F (8.3°C). In Chapin, July records the highest average temperatures, peaking at 75.4°F (24.1°C) and reaching a low of 46.9°F (8.3°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Chapin, Idaho, with an average temperature varying between 46.8°F (8.2°C) and 74.1°F (23.4°C). August commences with an average high-temperature of a still warm 74.1°F (23.4°C), showing little deviation from July's 75.4°F (24.1°C). Weather in August »Weather in September
The first month of the autumn, September, is still a refreshing month in Chapin, Idaho, with an average temperature fluctuating between 40.1°F (4.5°C) and 64.9°F (18.3°C). Chapin in September demonstrates a small temperature transition, adjusting from an average high of a warm 74.1°F (23.4°C) in August to a refreshing 64.9°F (18.3°C). Weather in September »Weather in October
October, the same as September, in Chapin, Idaho, is another chilly autumn month, with an average temperature ranging between max 46.9°F (8.3°C) and min 29.1°F (-1.6°C). October's onset brings a noticeable temperature drop, falling from an enjoyable 64.9°F (18.3°C) in September to a chilly 46.9°F (8.3°C). Weather in October »Weather in November
November, the last month of the autumn in Chapin, is another cold month, with temperature in the range of an average high of 33.1°F (0.6°C) and an average low of 17.2°F (-8.2°C). The beginning of November marks a decrease in the average high-temperature, transitioning from a chilly 46.9°F (8.3°C) in October to an icy 33.1°F (0.6°C). Weather in November »Weather in December
The first month of the winter, December, is still a freezing cold month in Chapin, Idaho, with an average temperature varying between 7.7°F (-13.5°C) and 23.2°F (-4.9°C). Chapin's coldest temperatures are experienced in December, with average high temperatures of 23.2°F (-4.9°C) and lows of 7.7°F (-13.5°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Chapin, ID
The warmest month (with the highest average high temperature) is July (75.4°F).
The month with the lowest average high temperature is December (23.2°F).
The month with the highest average low temperature is July (46.9°F).
The coldest month (with the lowest average low temperature) is December (7.7°F).
Average pressure
Chapin, ID
- Average pressure in January:
30.27"Hg - Average pressure in February:
30.16"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
29.99"Hg - Average pressure in October:
30.06"Hg - Average pressure in November:
30.16"Hg - Average pressure in December:
30.24"Hg
The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Chapin, ID
- Average wind speed in January:
4.8mph - Average wind speed in February:
5.5mph - Average wind speed in March:
5.4mph - Average wind speed in April:
5.5mph - Average wind speed in May:
5.5mph - Average wind speed in June:
6.2mph
- Average wind speed in July:
6.1mph - Average wind speed in August:
5.9mph - Average wind speed in September:
5.6mph - Average wind speed in October:
5.2mph - Average wind speed in November:
5mph - Average wind speed in December:
4.8mph
The windiest month (with the highest average wind speed) is June (6.2mph).
The calmest months (with the lowest average wind speed) are January and December (4.8mph).
Average humidity
Chapin, ID
The month with the highest relative humidity is February (94%).
The month with the lowest relative humidity is August (47%).
Average rainfall
Chapin, ID
- Average rainfall in January:
3.66" - Average rainfall in February:
4.13" - Average rainfall in March:
3.5" - Average rainfall in April:
3.78" - Average rainfall in May:
3.46" - Average rainfall in June:
2.76"
- Average rainfall in July:
0.91" - Average rainfall in August:
0.98" - Average rainfall in September:
1.65" - Average rainfall in October:
2.36" - Average rainfall in November:
2.6" - Average rainfall in December:
3.15"
The wettest month (with the highest rainfall) is February (4.13").
The driest month (with the least rainfall) is July (0.91").
Average rainfall days
Chapin, ID
- Average rainfall days in January:
3 days - Average rainfall days in February:
3.2 days - Average rainfall days in March:
6 days - Average rainfall days in April:
9 days - Average rainfall days in May:
15.5 days - Average rainfall days in June:
14.8 days
- Average rainfall days in July:
8.2 days - Average rainfall days in August:
9.6 days - Average rainfall days in September:
9.5 days - Average rainfall days in October:
8.9 days - Average rainfall days in November:
4.4 days - Average rainfall days in December:
4.5 days
The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is January (3 days).
Average snowfall
Chapin, ID
- Average snowfall in January:
30.2" - Average snowfall in February:
34.33" - Average snowfall in March:
28.39" - Average snowfall in April:
25.43" - Average snowfall in May:
12.95" - Average snowfall in June:
3.86"
- Average snowfall in July:
0" - Average snowfall in August:
0.04" - Average snowfall in September:
4.49" - Average snowfall in October:
12.8" - Average snowfall in November:
21.81" - Average snowfall in December:
25.87"
The month with the highest snowfall is February (34.33").
The month with the least snowfall is July (0").
Average snowfall days
Chapin, ID
- Average snowfall days in January:
21.8 days - Average snowfall days in February:
22.6 days - Average snowfall days in March:
23.6 days - Average snowfall days in April:
20.7 days - Average snowfall days in May:
12.1 days - Average snowfall days in June:
3.7 days
- Average snowfall days in July:
0.1 days - Average snowfall days in August:
0.3 days - Average snowfall days in September:
2.5 days - Average snowfall days in October:
12.1 days - Average snowfall days in November:
18.5 days - Average snowfall days in December:
22.8 days
The month with the highest number of snowfall days is March (23.6 days).
The month with the least snowfall days is July (0.1 days).
Average daylight / Average sunshine
Chapin, ID
- Average daylight in January:
9h and 24min - Average daylight in February:
10h and 30min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 30min - Average daylight in May:
14h and 42min - Average daylight in June:
15h and 24min
- Average daylight in July:
15h and 6min - Average daylight in August:
13h and 54min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 42min - 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 30min - Average sunshine in February:
3h and 18min - Average sunshine in March:
4h and 36min - Average sunshine in April:
7h and 36min - Average sunshine in May:
9h and 30min - Average sunshine in June:
10h and 36min
- Average sunshine in July:
11h and 42min - Average sunshine in August:
11h and 36min - Average sunshine in September:
9h and 54min - Average sunshine in October:
6h and 12min - Average sunshine in November:
4h and 54min - Average sunshine in December:
3h and 36min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).
Average sunshine days
Chapin, ID
- Average sunshine days in January:
9.8 days - Average sunshine days in February:
6.3 days - Average sunshine days in March:
6.9 days - Average sunshine days in April:
6.2 days - Average sunshine days in May:
7.5 days - Average sunshine days in June:
11.9 days
- Average sunshine days in July:
20.3 days - Average sunshine days in August:
18.1 days - Average sunshine days in September:
16.7 days - Average sunshine days in October:
14.8 days - Average sunshine days in November:
11.7 days - Average sunshine days in December:
8.4 days
The month with the most sunshine days is July (20.3 days).
The month with the least sunshine days is April (6.2 days).
Average UV index
Chapin, ID
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover
Chapin, ID
The month with the most cloud cover is February (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility
Chapin, ID
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March and December (3mi).





