Climate and monthly weather forecastStar, ID
Climate and monthly weather forecast
Weather in January
January, like December, in Star, Idaho, is another cold winter month, with an average temperature ranging between min 24.3°F (-4.3°C) and max 36.3°F (2.4°C). Star's average high-temperature in January is a still cold 36.3°F (2.4°C), indicating a subtle variation from December. Weather in January »Weather in February
The last month of the winter, February, is also a wintry month in Star, Idaho, with an average temperature varying between 41.2°F (5.1°C) and 28.8°F (-1.8°C). Upon the beginning of February, Star's high-temperatures register at a still wintry 41.2°F (5.1°C), closely mirroring the preceding month. Weather in February »Weather in March
The first month of the spring, March, is a fresh month in Star, Idaho, with an average temperature varying between 50.2°F (10.1°C) and 35.2°F (1.8°C). Star's transition into March is marked by a temperature shift, moving from an icy 41.2°F (5.1°C) in February to a cool 50.2°F (10.1°C). Weather in March »Weather in April
April is a mild spring month in Star, Idaho, with temperature in the range of an average low of 39°F (3.9°C) and an average high of 57.7°F (14.3°C). April's onset brings a subtle temperature rise, moving from a cool 50.2°F (10.1°C) in March to a refreshing 57.7°F (14.3°C). Weather in April »Weather in May
The last month of the spring, May, is a comfortable month in Star, Idaho, with an average temperature varying between 45.7°F (7.6°C) and 67.6°F (19.8°C). May comes with an increase, with the average high-temperature moving from a moderate 57.7°F (14.3°C) in April to an enjoyable 67.6°F (19.8°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Star, Idaho, with an average temperature fluctuating between 76.6°F (24.8°C) and 52.7°F (11.5°C). With the onset of June, Star's average high-temperature sees a rise, moving from May's enjoyable 67.6°F (19.8°C) to a moderately hot 76.6°F (24.8°C). Weather in June »Weather in July
July is a tropical summer month in Star, Idaho, with an average temperature ranging between max 88.7°F (31.5°C) and min 60.8°F (16°C). Star, Idaho, notes the warmest temperatures in July, with a high average of 88.7°F (31.5°C) and a low of 60.8°F (16°C). Weather in July »Weather in August
The last month of the summer, August, is another hot month in Star, Idaho, with an average temperature fluctuating between 87.4°F (30.8°C) and 61.3°F (16.3°C). Star transitions into August recording an average high-temperature of a still hot 87.4°F (30.8°C), closely aligning with the preceding month's temperature. Weather in August »Weather in September
September, the first month of the autumn in Star, is also a moderately hot month, with an average temperature ranging between max 77°F (25°C) and min 54.1°F (12.3°C). Star's transition into September involves a shift in temperature, receding from a hot 87.4°F (30.8°C) in August to a warm 77°F (25°C). Weather in September »Weather in October
October, like September, is another refreshing autumn month in Star, Idaho, with an average temperature ranging between min 43°F (6.1°C) and max 60.3°F (15.7°C). Star's transition into October is marked by a clear temperature shift, receding from a moderately hot 77°F (25°C) in September to a moderate 60.3°F (15.7°C). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in Star, Idaho, with an average temperature ranging between min 32.2°F (0.1°C) and max 47.1°F (8.4°C). November's arrival correlates with a reduction in the average high-temperature, down from a refreshing 60.3°F (15.7°C) in October to a frosty 47.1°F (8.4°C). Weather in November »Weather in December
December, the first month of the winter in Star, is also a wintry month, with an average temperature fluctuating between 23.9°F (-4.5°C) and 35.1°F (1.7°C). December, with average temperatures reaching a high of 35.1°F (1.7°C) and a low of 23.9°F (-4.5°C), is the coldest month. Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Star, ID
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is December (35.1°F).
The month with the highest average low temperature is August (61.3°F).
The coldest month (with the lowest average low temperature) is December (23.9°F).
Average pressure
Star, ID
- Average pressure in January:
30.25"Hg - Average pressure in February:
30.13"Hg - Average pressure in March:
30.04"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.92"Hg - Average pressure in August:
29.91"Hg - Average pressure in September:
29.95"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.13"Hg - Average pressure in December:
30.21"Hg
The month with the highest atmospheric pressure is January (30.25"Hg).
The months with the lowest atmospheric pressure are June and August (29.91"Hg).
Average wind speed
Star, ID
- Average wind speed in January:
4.8mph - Average wind speed in February:
5.8mph - Average wind speed in March:
6.8mph - Average wind speed in April:
6.8mph - Average wind speed in May:
6.1mph - Average wind speed in June:
5.7mph
- Average wind speed in July:
5.3mph - Average wind speed in August:
5.1mph - Average wind speed in September:
5.2mph - Average wind speed in October:
5.3mph - Average wind speed in November:
5.6mph - Average wind speed in December:
5.4mph
The windiest months (with the highest average wind speed) are March and April (6.8mph).
The calmest month (with the lowest average wind speed) is January (4.8mph).
Average humidity
Star, ID
The month with the highest relative humidity is January (80%).
The months with the lowest relative humidity are July and August (31%).
Average rainfall
Star, ID
- Average rainfall in January:
1.85" - Average rainfall in February:
1.73" - Average rainfall in March:
2.2" - Average rainfall in April:
1.3" - Average rainfall in May:
1.34" - Average rainfall in June:
0.98"
- Average rainfall in July:
0.2" - Average rainfall in August:
0.24" - Average rainfall in September:
0.35" - Average rainfall in October:
0.94" - Average rainfall in November:
1.06" - Average rainfall in December:
1.93"
The wettest month (with the highest rainfall) is March (2.2").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days
Star, ID
- Average rainfall days in January:
11.2 days - Average rainfall days in February:
12 days - Average rainfall days in March:
17 days - Average rainfall days in April:
13.9 days - Average rainfall days in May:
11.3 days - Average rainfall days in June:
8.6 days
- Average rainfall days in July:
4 days - Average rainfall days in August:
4.3 days - Average rainfall days in September:
6.4 days - Average rainfall days in October:
8.9 days - Average rainfall days in November:
10.5 days - Average rainfall days in December:
10.2 days
The month with the highest number of rainy days is March (17 days).
The month with the least rainy days is July (4 days).
Average snowfall
Star, ID
The month with the highest snowfall is December (5.31").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Star, ID
- Average snowfall days in January:
7.4 days - Average snowfall days in February:
6.7 days - Average snowfall days in March:
2.7 days - Average snowfall days in April:
0.7 days - Average snowfall days in May:
0 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:
0.1 days - Average snowfall days in November:
2.9 days - Average snowfall days in December:
8.5 days
The month with the highest number of snowfall days is December (8.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Star, 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:
5h and 42min - Average sunshine in February:
7h and 36min - Average sunshine in March:
7h and 48min - Average sunshine in April:
9h and 30min - Average sunshine in May:
11h and 0min - Average sunshine in June:
11h and 24min
- Average sunshine in July:
12h and 6min - Average sunshine in August:
11h and 24min - Average sunshine in September:
9h and 30min - Average sunshine in October:
8h and 0min - Average sunshine in November:
6h and 30min - Average sunshine in December:
5h and 30min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days
Star, ID
- Average sunshine days in January:
15.6 days - Average sunshine days in February:
12.5 days - Average sunshine days in March:
12.1 days - Average sunshine days in April:
14.3 days - Average sunshine days in May:
15.7 days - Average sunshine days in June:
19 days
- Average sunshine days in July:
23.1 days - Average sunshine days in August:
22.2 days - Average sunshine days in September:
21.7 days - Average sunshine days in October:
20.3 days - Average sunshine days in November:
17 days - Average sunshine days in December:
15.7 days
The month with the most sunshine days is July (23.1 days).
The month with the least sunshine days is March (12.1 days).
Average UV index
Star, ID
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Star, ID
The month with the most cloud cover is December (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 8).
Average visibility
Star, ID
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





