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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, like December, is another subzero cold winter month in Terreton, Idaho, with an average temperature fluctuating between 13.8°F (-10.1°C) and 27.9°F (-2.3°C). In January, Terreton's weather conditions record an average high-temperature of a still freezing cold 27.9°F (-2.3°C), demonstrating little divergence from the preceding month. Weather in January »
Weather in February
February, the last month of the winter in Terreton, is another freezing cold month, with an average temperature fluctuating between 30.6°F (-0.8°C) and 17.6°F (-8°C). The initiation of February sees an average high-temperature of a still subzero cold 30.6°F (-0.8°C), showing minor variations from the previous month. Weather in February »
Weather in March
March, the first month of the spring in Terreton, is an icy month, with an average temperature ranging between min 27°F (-2.8°C) and max 41°F (5°C). With the onset of March, Terreton experiences a temperature shift, with the average high-temperature moving from a freezing cold 30.6°F (-0.8°C) in February to a cold 41°F (5°C). Weather in March »
Weather in April
April in Terreton, Idaho, is a fresh spring month, with an average temperature fluctuating between 34°F (1.1°C) and 52.3°F (11.3°C). With the onset of April, Terreton experiences a temperature shift, with the average high-temperature moving from a wintry 41°F (5°C) in March to a fresh 52.3°F (11.3°C). Weather in April »
Weather in May
May, the last month of the spring in Terreton, is a comfortable month, with temperature in the range of an average low of 40.1°F (4.5°C) and an average high of 63.5°F (17.5°C). May's arrival signals a temperature shift, moving from a fresh 52.3°F (11.3°C) in April to a comfortable 63.5°F (17.5°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Terreton, Idaho, with temperature in the range of an average high of 73.9°F (23.3°C) and an average low of 46.6°F (8.1°C). June's onset brings a temperature rise, moving from a comfortable 63.5°F (17.5°C) in May to a moderately hot 73.9°F (23.3°C). Weather in June »
Weather in July
July, like June, in Terreton, Idaho, is a moderately hot summer month, with an average temperature ranging between max 85.1°F (29.5°C) and min 53.6°F (12°C). In Terreton, the highest average temperatures are observed in July, with a high of 85.1°F (29.5°C) and a low of 53.6°F (12°C). Weather in July »
Weather in August
August, the last month of the summer in Terreton, is another warm month, with an average temperature varying between 83.3°F (28.5°C) and 53.8°F (12.1°C). Terreton marks the onset of August with an average high-temperature of a still warm 83.3°F (28.5°C), a subtle shift from July's 85.1°F (29.5°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a pleasant month in Terreton, Idaho, with an average temperature fluctuating between 72.9°F (22.7°C) and 47.8°F (8.8°C). A shift in Terreton's weather is observed as August turns into September, with the average high temperature reducing from a warm 83.3°F (28.5°C) to a pleasant 72.9°F (22.7°C). Weather in September »
Weather in October
October, like September, in Terreton, Idaho, is a cool autumn month, with an average temperature varying between 36.3°F (2.4°C) and 54.5°F (12.5°C). October's onset brings a clear reduction in the average high-temperature, falling from an agreeable 72.9°F (22.7°C) in September to a fresh 54.5°F (12.5°C). Weather in October »
Weather in November
November, the last month of the autumn in Terreton, is also an icy month, with an average temperature ranging between max 40.5°F (4.7°C) and min 25.7°F (-3.5°C). The transition into November involves a decrease in the average high-temperature, falling from a cool 54.5°F (12.5°C) in October to a wintry 40.5°F (4.7°C). Weather in November »
Weather in December
The first month of the winter, December, is still a freezing cold month in Terreton, Idaho, with an average temperature fluctuating between 27.1°F (-2.7°C) and 14.9°F (-9.5°C). December, recording an average high temperature of 27.1°F (-2.7°C) and a low temperature of 14.9°F (-9.5°C), is Terreton's coldest month. Weather in December »
Updated: Aug 17, 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?
The most humid month is January, with an average relative humidity of 90%.
How many days does it rain?
Throughout the year, there are 112.3 rainfall days, and 10.94" (278mm) of precipitation is accumulated.
When does it snow?
January through May, September through December are months with snowfall.
What is the snowiest month?
January is the month with the most snowfall. Snow falls for 17.3 days and accumulates 8.31" (211mm) of snow.
How many days does it snow?
In Terreton, during the entire year, snow falls for 79 days and aggregates up to 31.54" (801mm) of snow.
What is the month with the least sunshine?
With an average of 4.7h 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 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.
What is the wettest month?
May is the month with the most rainfall. Rain falls for 12.8 days and accumulates 1.26" (32mm) of precipitation.
When it does not snow?
In Terreton, snow does not fall in June through August.
When are the longest days?
June has the longest days of the year, with an average of 15h and 24min of daylight.
What month is the hottest in Terreton?
The highest temperatures are recorded in July, with averages reaching a high of 85.1°F (29.5°C) and a low of 53.6°F (12°C).
What is the driest month?
July is the month with the least rainfall. Rain falls for 5.8 days and accumulates 0.31" (8mm) of precipitation.
What month has the most sunshine?
With an average of 12h of sunshine, July has the most sunshine of the year.
What is the month with the highest UV index in Terreton?
July is the month with the highest UV index, with an average maximum UV index of 6.
What is the least humid month?
August is the least humid month, with an average relative humidity of 37%.
What time of the year is the coldest?
December is the coldest month of the year, registering average temperatures as high as 27.1°F (-2.7°C) and as low as 14.9°F (-9.5°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
Terreton, ID
The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is December (27.1°F).
The month with the highest average low temperature is August (53.8°F).
The coldest month (with the lowest average low temperature) is January (13.8°F).
Average pressure
Terreton, ID
- Average pressure in January:
30.29"Hg - Average pressure in February:
30.16"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.92"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.96"Hg - Average pressure in September:
29.98"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 (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Terreton, ID
- Average wind speed in January:
4.9mph - Average wind speed in February:
6mph - Average wind speed in March:
6.7mph - Average wind speed in April:
8mph - Average wind speed in May:
7.4mph - Average wind speed in June:
7.8mph
- Average wind speed in July:
6.9mph - Average wind speed in August:
6.5mph - Average wind speed in September:
6.8mph - Average wind speed in October:
6.6mph - Average wind speed in November:
6.1mph - Average wind speed in December:
5.1mph
The windiest month (with the highest average wind speed) is April (8mph).
The calmest month (with the lowest average wind speed) is January (4.9mph).
Average humidity
Terreton, ID
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (37%).
Average rainfall
Terreton, ID
- Average rainfall in January:
1.06" - Average rainfall in February:
0.91" - Average rainfall in March:
1.18" - Average rainfall in April:
1.18" - Average rainfall in May:
1.26" - Average rainfall in June:
1.1"
- Average rainfall in July:
0.31" - Average rainfall in August:
0.55" - Average rainfall in September:
0.83" - Average rainfall in October:
0.83" - Average rainfall in November:
0.79" - Average rainfall in December:
0.94"
The wettest month (with the highest rainfall) is May (1.26").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days
Terreton, ID
- Average rainfall days in January:
7.8 days - Average rainfall days in February:
8.3 days - Average rainfall days in March:
12 days - Average rainfall days in April:
14.2 days - Average rainfall days in May:
12.8 days - Average rainfall days in June:
10.3 days
- Average rainfall days in July:
5.8 days - Average rainfall days in August:
7.3 days - Average rainfall days in September:
7.8 days - Average rainfall days in October:
9.2 days - Average rainfall days in November:
7.3 days - Average rainfall days in December:
9.5 days
The month with the highest number of rainy days is April (14.2 days).
The month with the least rainy days is July (5.8 days).
Average snowfall
Terreton, ID
- Average snowfall in January:
8.31" - Average snowfall in February:
5.67" - Average snowfall in March:
4.61" - Average snowfall in April:
1.26" - Average snowfall in May:
0.67" - Average snowfall in June:
0"
The month with the highest snowfall is January (8.31").
The months with the least snowfall are June, July and August (0").
Average snowfall days
Terreton, ID
- Average snowfall days in January:
17.3 days - Average snowfall days in February:
16.2 days - Average snowfall days in March:
12.1 days - Average snowfall days in April:
4 days - Average snowfall days in May:
0.6 days - Average snowfall days in June:
0.1 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0.1 days - Average snowfall days in October:
2.2 days - Average snowfall days in November:
9.3 days - Average snowfall days in December:
17.1 days
The month with the highest number of snowfall days is January (17.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight / Average sunshine
Terreton, 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 4min - Average sunshine in February:
5h and 3min - Average sunshine in March:
7h and 1min - Average sunshine in April:
10h and 0min - Average sunshine in May:
10h and 5min - Average sunshine in June:
11h and 4min
- Average sunshine in July:
12h and 0min - Average sunshine in August:
11h and 5min - Average sunshine in September:
10h and 0min - Average sunshine in October:
7h and 2min - Average sunshine in November:
6h and 2min - Average sunshine in December:
5h and 1min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days
Terreton, ID
- Average sunshine days in January:
13.4 days - Average sunshine days in February:
9.9 days - Average sunshine days in March:
12.2 days - Average sunshine days in April:
11.7 days - Average sunshine days in May:
14.8 days - Average sunshine days in June:
16.7 days
- Average sunshine days in July:
22.3 days - Average sunshine days in August:
19.5 days - Average sunshine days in September:
19.8 days - Average sunshine days in October:
18.9 days - Average sunshine days in November:
16.7 days - Average sunshine days in December:
11.8 days
The month with the most sunshine days is July (22.3 days).
The month with the least sunshine days is February (9.9 days).
Average UV index
Terreton, ID
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Terreton, ID
The month with the most cloud cover is February (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility
Terreton, ID
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (4mi).
Terreton, Idaho, USA
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