Climate and monthly weather forecastDarby, ID
Climate and monthly weather forecast
Weather in January
January, the same as December, in Darby, Idaho, is another subzero cold winter month, with an average temperature fluctuating between 25.2°F (-3.8°C) and 7.9°F (-13.4°C). January begins with an average high-temperature of a still subzero cold 25.2°F (-3.8°C), reflecting close similarity to the preceding month. Weather in January »Weather in February
February, the last month of the winter in Darby, is also a subzero cold month, with an average temperature varying between 9.9°F (-12.3°C) and 25.5°F (-3.6°C). February's average high-temperature is a still subzero cold 25.5°F (-3.6°C), maintaining a close comparison with January's 25.2°F (-3.8°C). Weather in February »Weather in March
March, the first month of the spring in Darby, is a cold month, with an average temperature varying between 32.5°F (0.3°C) and 16.7°F (-8.5°C). A slight uplift of average high-temperatures is noted in March, with temperatures adjusting from a subzero cold 25.5°F (-3.6°C) in February to a wintry 32.5°F (0.3°C). Weather in March »Weather in April
April, like March, in Darby, Idaho, is an icy spring month, with an average temperature ranging between max 40.1°F (4.5°C) and min 22.8°F (-5.1°C). Darby's April weather indicates a minor increase in high-temperatures, edging from March's wintry 32.5°F (0.3°C) to a still icy 40.1°F (4.5°C). Weather in April »Weather in May
May, the last month of the spring in Darby, is a fresh month, with an average temperature varying between 53.6°F (12°C) and 32°F (0°C). The shift into May is accompanied by a temperature increase, with the average high-temperature rising from an icy 40.1°F (4.5°C) in April to a fresh 53.6°F (12°C). Weather in May »Weather in June
The first month of the summer, June, is a refreshing month in Darby, Idaho, with an average temperature ranging between max 64.8°F (18.2°C) and min 39°F (3.9°C). The onset of June brings a rise in the average high-temperature, elevating from a cool 53.6°F (12°C) in May to a comfortable 64.8°F (18.2°C). Weather in June »Weather in July
July in Darby, Idaho, is a moderately hot summer month, with temperature in the range of an average high of 75.4°F (24.1°C) and an average low of 46.9°F (8.3°C). Darby records the warmest temperatures in July, averaging a high of 75.4°F (24.1°C) and a low of 46.9°F (8.3°C). Weather in July »Weather in August
August, the last month of the summer in Darby, is also a moderately hot month, with an average temperature fluctuating between 74.1°F (23.4°C) and 46.8°F (8.2°C). In August, Darby notes an average high-temperature of a still warm 74.1°F (23.4°C), hardly different from the preceding month. Weather in August »Weather in September
September, the first month of the autumn in Darby, is still a comfortable month, with temperature in the range of an average low of 40.1°F (4.5°C) and an average high of 64.9°F (18.3°C). As August transitions into September, Darby sees a drop in the average high-temperature, transitioning from a warm 74.1°F (23.4°C) to an enjoyable 64.9°F (18.3°C). Weather in September »Weather in October
October, like September, is a frosty autumn month in Darby, Idaho, with an average temperature ranging between max 46.9°F (8.3°C) and min 29.1°F (-1.6°C). The shift into October brings a noticeable decrease in the average high-temperature, falling from a refreshing 64.9°F (18.3°C) in September to a frosty 46.9°F (8.3°C). Weather in October »Weather in November
November, the last month of the autumn in Darby, 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). During the transition into November, Darby observes a decrease in the average high-temperature, falling from a chilly 46.9°F (8.3°C) in October to a wintry 33.1°F (0.6°C). Weather in November »Weather in December
December, the first month of the winter in Darby, is also a subzero cold month, with an average temperature varying between 7.7°F (-13.5°C) and 23.2°F (-4.9°C). During the coldest month, December, temperatures average a high of 23.2°F (-4.9°C) and a low of 7.7°F (-13.5°C). Weather in December »Updated: Jun 4, 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
Throughout the year, there are 96.6 rainfall days, and 32.95" (837mm) of precipitation is accumulated.
January through June, August through December are months with snowfall.
Throughout the year, there are 160.8 snowfall days, and 200.16" (5084mm) of snow is accumulated.
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 1.
The most humid month is February, with an average relative humidity of 94%.
February is the month with the most rainfall in Darby. Rain falls for 3.2 days and accumulates 4.13" (105mm) of precipitation.
February is the month with the most snowfall. Snow falls for 22.6 days and accumulates 34.33" (872mm) of snow.
The month with the least sunshine is February, with an average of 3.3h of sunshine.
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.
June has the longest days of the year, with an average of 15h and 24min of daylight.
In Darby, the peak average temperatures are observed in July, with a high of 75.4°F (24.1°C) and a low of 46.9°F (8.3°C).
July is the month with the least rainfall. Rain falls for 8.2 days and accumulates 0.91" (23mm) of precipitation.
The only month without snowfall in Darby is July.
The month with the most sunshine is July, with an average of 11.7h of sunshine.
With an average maximum UV index of 5, July is the month with the highest UV index.
With an average relative humidity of 47%, August is the least humid month.
December is the month when Darby sees the average lowest temperatures, with a high of 23.2°F (-4.9°C) and a low of 7.7°F (-13.5°C).
December has the shortest days of the year, with an average of 9h and 0min of daylight.
Average temperature
Darby, 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
Darby, 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
Darby, 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
Darby, ID
The month with the highest relative humidity is February (94%).
The month with the lowest relative humidity is August (47%).
Average rainfall
Darby, 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
Darby, 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
Darby, 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
Darby, 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
Darby, 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
Darby, 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
Darby, 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
Darby, 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
Darby, 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).
