Climate and monthly weather forecastTetonia, ID
Climate and monthly weather forecast
Weather in January
January, the same as December, in Tetonia, Idaho, is another subzero cold winter month, with an average temperature varying between 25.7°F (-3.5°C) and 9.1°F (-12.7°C). A minor adjustment in Tetonia's average high-temperature is noted with the start of January, touching a still freezing cold 25.7°F (-3.5°C) from December's 23.9°F (-4.5°C). Weather in January »Weather in February
The last month of the winter, February, is another freezing cold month in Tetonia, Idaho, with temperature in the range of an average low of 11.7°F (-11.3°C) and an average high of 26.8°F (-2.9°C). Tetonia records an average high-temperature of a still freezing cold 26.8°F (-2.9°C) as February arrives, nearly mirroring the previous month's climate. Weather in February »Weather in March
March, the first month of the spring in Tetonia, is a cold month, with temperature in the range of an average high of 34°F (1.1°C) and an average low of 19°F (-7.2°C). As March arrives, Tetonia's weather shows a minor increase in high-temperatures, edging from February's freezing cold 26.8°F (-2.9°C) to an icy 34°F (1.1°C). Weather in March »Weather in April
April in Tetonia, Idaho, is a chilly spring month, with an average temperature varying between 25.5°F (-3.6°C) and 42.8°F (6°C). As Tetonia welcomes April, the average high-temperature sees a modest rise, transitioning from a cold 34°F (1.1°C) in March to a frosty 42.8°F (6°C). Weather in April »Weather in May
The last month of the spring, May, is a moderate month in Tetonia, Idaho, with an average temperature ranging between max 55.8°F (13.2°C) and min 34°F (1.1°C). Tetonia's May weather shows an increase in high-temperatures, moving from April's frosty 42.8°F (6°C) to a mild 55.8°F (13.2°C). Weather in May »Weather in June
June, the first month of the summer in Tetonia, is a refreshing month, with an average temperature ranging between max 66.6°F (19.2°C) and min 41°F (5°C). The arrival of June sees a shift in the average high-temperature, moving from a moderate 55.8°F (13.2°C) in May to an enjoyable 66.6°F (19.2°C). Weather in June »Weather in July
July in Tetonia, Idaho, is a warm summer month, with an average temperature varying between 48.7°F (9.3°C) and 77.2°F (25.1°C). With average temperatures fluctuating between a high of 77.2°F (25.1°C) and a low of 48.7°F (9.3°C), July stands out as the warmest month. Weather in July »Weather in August
August, the last month of the summer in Tetonia, is also a moderately hot month, with an average temperature fluctuating between 76.1°F (24.5°C) and 48.4°F (9.1°C). With the arrival of August, Tetonia's average high-temperature registers at a still moderately hot 76.1°F (24.5°C), indicating a subtle variation from the previous month. Weather in August »Weather in September
The first month of the autumn, September, is still a refreshing month in Tetonia, Idaho, with an average temperature fluctuating between 66.9°F (19.4°C) and 42.3°F (5.7°C). September shows a mild decline in the average high-temperature, falling from August's warm 76.1°F (24.5°C) to a refreshing 66.9°F (19.4°C). Weather in September »Weather in October
October, like September, is a frosty autumn month in Tetonia, Idaho, with temperature in the range of an average low of 30.9°F (-0.6°C) and an average high of 48.7°F (9.3°C). Tetonia in October experiences a marked decrease in the average high-temperature, descending from September's enjoyable 66.9°F (19.4°C) to a chilly 48.7°F (9.3°C). Weather in October »Weather in November
November, the last month of the autumn in Tetonia, is another cold month, with an average temperature fluctuating between 19.2°F (-7.1°C) and 34.9°F (1.6°C). In Tetonia, the beginning of November is marked by a lowered average high-temperature, shifting from October's chilly 48.7°F (9.3°C) to a cold 34.9°F (1.6°C). Weather in November »Weather in December
The first month of the winter, December, is still a freezing cold month in Tetonia, Idaho, with an average temperature ranging between max 23.9°F (-4.5°C) and min 9.5°F (-12.5°C). December is the coldest month, with an average high-temperature of 23.9°F (-4.5°C) and an average low-temperature of 9.5°F (-12.5°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Tetonia, ID
The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is December (23.9°F).
The month with the highest average low temperature is July (48.7°F).
The coldest month (with the lowest average low temperature) is January (9.1°F).
Average pressure
Tetonia, 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:
30.25"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
Tetonia, ID
- Average wind speed in January:
4.6mph - Average wind speed in February:
5.3mph - Average wind speed in March:
5.4mph - Average wind speed in April:
5.7mph - Average wind speed in May:
5.7mph - Average wind speed in June:
6.3mph
- Average wind speed in July:
6.1mph - Average wind speed in August:
5.9mph - Average wind speed in September:
5.7mph - Average wind speed in October:
5.3mph - Average wind speed in November:
5mph - Average wind speed in December:
4.6mph
The windiest month (with the highest average wind speed) is June (6.3mph).
The calmest months (with the lowest average wind speed) are January and December (4.6mph).
Average humidity
Tetonia, ID
The month with the highest relative humidity is February (93%).
The month with the lowest relative humidity is August (45%).
Average rainfall
Tetonia, ID
- Average rainfall in January:
2.87" - Average rainfall in February:
2.91" - Average rainfall in March:
2.44" - Average rainfall in April:
2.48" - Average rainfall in May:
2.17" - Average rainfall in June:
1.61"
- Average rainfall in July:
0.71" - Average rainfall in August:
0.83" - Average rainfall in September:
1.38" - Average rainfall in October:
1.69" - Average rainfall in November:
1.85" - Average rainfall in December:
2.4"
The wettest month (with the highest rainfall) is February (2.91").
The driest month (with the least rainfall) is July (0.71").
Average rainfall days
Tetonia, ID
- Average rainfall days in January:
4.5 days - Average rainfall days in February:
5.9 days - Average rainfall days in March:
9.6 days - Average rainfall days in April:
12.8 days - Average rainfall days in May:
16.1 days - Average rainfall days in June:
12.1 days
- Average rainfall days in July:
7.8 days - Average rainfall days in August:
8.8 days - Average rainfall days in September:
9.5 days - Average rainfall days in October:
10.7 days - Average rainfall days in November:
6.4 days - Average rainfall days in December:
5.9 days
The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is January (4.5 days).
Average snowfall
Tetonia, ID
- Average snowfall in January:
24.06" - Average snowfall in February:
23.78" - Average snowfall in March:
17.56" - Average snowfall in April:
11.18" - Average snowfall in May:
4.17" - Average snowfall in June:
0.39"
The month with the highest snowfall is January (24.06").
The months with the least snowfall are July and August (0").
Average snowfall days
Tetonia, ID
- Average snowfall days in January:
19.2 days - Average snowfall days in February:
21.3 days - Average snowfall days in March:
20.6 days - Average snowfall days in April:
14.8 days - Average snowfall days in May:
3.8 days - Average snowfall days in June:
0.8 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
1 days - Average snowfall days in October:
6.8 days - Average snowfall days in November:
15.2 days - Average snowfall days in December:
21.8 days
The month with the highest number of snowfall days is December (21.8 days).
The months with the least snowfall days are July and August (0 days).
Average daylight / Average sunshine
Tetonia, 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 48min - 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:
4h and 0min - Average sunshine in February:
4h and 12min - Average sunshine in March:
5h and 42min - Average sunshine in April:
8h and 42min - Average sunshine in May:
10h and 18min - Average sunshine in June:
11h and 6min
- Average sunshine in July:
11h and 54min - Average sunshine in August:
11h and 48min - Average sunshine in September:
10h and 6min - Average sunshine in October:
6h and 42min - Average sunshine in November:
5h and 30min - Average sunshine in December:
4h and 12min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days
Tetonia, ID
- Average sunshine days in January:
12.3 days - Average sunshine days in February:
7.3 days - Average sunshine days in March:
7.9 days - Average sunshine days in April:
8.4 days - Average sunshine days in May:
10.2 days - Average sunshine days in June:
15.4 days
- Average sunshine days in July:
20.6 days - Average sunshine days in August:
19.1 days - Average sunshine days in September:
17.5 days - Average sunshine days in October:
16.3 days - Average sunshine days in November:
13.1 days - Average sunshine days in December:
9 days
The month with the most sunshine days is July (20.6 days).
The month with the least sunshine days is February (7.3 days).
Average UV index
Tetonia, ID
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March and December (UV index 1).
Average cloud cover
Tetonia, ID
The month with the most cloud cover is February (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 13).
Average visibility
Tetonia, ID
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January and February (3mi).





