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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
Climate and monthly weather forecast
Weather in January
January, the same as December, in Lemhi, Idaho, is a freezing cold winter month, with an average temperature fluctuating between 27.3°F (-2.6°C) and 9.5°F (-12.5°C). The commencement of January introduces an average high-temperature of a still subzero cold 27.3°F (-2.6°C), closely mirroring the preceding month. Weather in January »
Weather in February
The last month of the winter, February, is also a subzero cold month in Lemhi, Idaho, with an average temperature varying between 10.8°F (-11.8°C) and 27.9°F (-2.3°C). Welcoming February, Lemhi notes an average high-temperature of a still subzero cold 27.9°F (-2.3°C), nearly consistent with January's 27.3°F (-2.6°C). Weather in February »
Weather in March
The first month of the spring, March, is an icy month in Lemhi, Idaho, with an average temperature ranging between max 34°F (1.1°C) and min 17.8°F (-7.9°C). A gentle upsurge in temperatures occurs as February gives way to March, with average highs shifting from a subzero cold 27.9°F (-2.3°C) to a wintry 34°F (1.1°C). Weather in March »
Weather in April
April, the same as March, is an icy spring month in Lemhi, Idaho, with temperature in the range of an average low of 25°F (-3.9°C) and an average high of 41.9°F (5.5°C). The arrival of April witnesses a small shift in the average high-temperature, moving from a wintry 34°F (1.1°C) in March to a still cold 41.9°F (5.5°C). Weather in April »
Weather in May
The last month of the spring, May, is a cool month in Lemhi, Idaho, with an average temperature varying between 54.1°F (12.3°C) and 33.8°F (1°C). May brings a rise in Lemhi's average high-temperature, moving from an icy 41.9°F (5.5°C) in April to a cool 54.1°F (12.3°C). Weather in May »
Weather in June
The first month of the summer, June, is an enjoyable month in Lemhi, Idaho, with an average temperature varying between 39.9°F (4.4°C) and 64.4°F (18°C). June brings a temperature increase, with average high-temperatures moving from May's fresh 54.1°F (12.3°C) to a comfortable 64.4°F (18°C). Weather in June »
Weather in July
July in Lemhi, Idaho, is a warm summer month, with an average temperature varying between 75.7°F (24.3°C) and 47.3°F (8.5°C). The highest temperatures are recorded in July, with averages reaching a high of 75.7°F (24.3°C) and a low of 47.3°F (8.5°C). Weather in July »
Weather in August
August, the last month of the summer in Lemhi, is also a moderately hot month, with an average temperature ranging between max 74.7°F (23.7°C) and min 47.5°F (8.6°C). The start of August marks an average high-temperature of a still moderately hot 74.7°F (23.7°C), hardly distinguishable from the conditions in July. Weather in August »
Weather in September
September, the first month of the autumn in Lemhi, is still a comfortable month, with an average temperature fluctuating between 65.3°F (18.5°C) and 40.6°F (4.8°C). September's onset brings a reduction in the average high-temperature, from a moderately hot 74.7°F (23.7°C) in August to a comfortable 65.3°F (18.5°C). Weather in September »
Weather in October
October, like September, is another chilly autumn month in Lemhi, Idaho, with temperature in the range of an average high of 48.7°F (9.3°C) and an average low of 30.4°F (-0.9°C). October marks a distinct drop in the average high-temperature, descending from September's enjoyable 65.3°F (18.5°C) to a chilly 48.7°F (9.3°C). Weather in October »
Weather in November
November, the last month of the autumn in Lemhi, is also an icy month, with an average temperature ranging between min 19.2°F (-7.1°C) and max 35.2°F (1.8°C). November's arrival comes with a decrease in the average high-temperature, moving from a chilly 48.7°F (9.3°C) in October to a cold 35.2°F (1.8°C). Weather in November »
Weather in December
The first month of the winter, December, is still a freezing cold month in Lemhi, Idaho, with temperature in the range of an average high of 25.2°F (-3.8°C) and an average low of 9.5°F (-12.5°C). December is the month when Lemhi experiences its coldest temperatures, averaging a high of 25.2°F (-3.8°C) and a low of 9.5°F (-12.5°C). Weather in December »
Updated: Jun 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
How much does it rain?
Throughout the year, there are 129.5 rainfall days, and 12.4" (315mm) of precipitation is accumulated.
When does it snow?
January through May, September through December are months with snowfall.
How many days does it snow?
In Lemhi, during the entire year, snow falls for 63.5 days and aggregates up to 22.76" (578mm) of snow.
What is the month with the least sunshine?
With an average of 5.1h of sunshine, January has the least sunshine of the year.
What is the month with the lowest UV index in Lemhi?
The months with the lowest UV index in Lemhi, Idaho, are January, February and December, with an average maximum UV index of 1.
What is the most humid month?
February is the most humid month, with an average relative humidity of 89%.
What is the snowiest month?
February is the month with the most snowfall. Snow falls for 12.3 days and accumulates 5" (127mm) of snow.
When is Daylight Saving Time (DST) in Lemhi?
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 rainiest month?
June is the month with the most rainfall. Rain falls for 14.9 days and accumulates 2.05" (52mm) of precipitation.
When it does not snow in Lemhi?
In Lemhi, snow does not fall in June through August.
When are the longest days in Lemhi?
The month with the longest days is June, with an average of 15h and 30min of daylight.
What is the hottest time of year?
Temperature records mark July as the warmest month, with highs averaging 75.7°F (24.3°C) and lows at 47.3°F (8.5°C).
What is the driest month?
July and August are months with the least rain when the rain falls for 7.8 days and typically aggregates up to 0.51" (13mm) of rain.
What month has the most sunshine?
The month with the most sunshine is July, with an average of 11.8h of sunshine.
When is the highest UV index?
The month with the highest UV index is July, with an average maximum UV index of 5.
What is the least humid month?
August is the least humid month, with an average relative humidity of 43%.
What are the coldest months?
Lemhi notes the coldest temperatures in December, with a average high of 25.2°F (-3.8°C) and a low of 9.5°F (-12.5°C).
What is the month with the shortest days in Lemhi?
With an average of 8h and 54min of daylight, December has the shortest days of the year.
Average temperature
Lemhi, ID
The warmest month (with the highest average high temperature) is July (75.7°F).
The month with the lowest average high temperature is December (25.2°F).
The month with the highest average low temperature is August (47.5°F).
The coldest months (with the lowest average low temperature) are January and December (9.5°F).
Average pressure
Lemhi, ID
- Average pressure in January:
30.25"Hg - Average pressure in February:
30.14"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
29.95"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
29.99"Hg - Average pressure in October:
30.07"Hg - Average pressure in November:
30.15"Hg - Average pressure in December:
30.23"Hg
The month with the highest atmospheric pressure is January (30.25"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Lemhi, ID
- Average wind speed in January:
4.8mph - Average wind speed in February:
4.8mph - Average wind speed in March:
5.2mph - Average wind speed in April:
5.2mph - Average wind speed in May:
4.8mph - Average wind speed in June:
4.8mph
- Average wind speed in July:
4.7mph - Average wind speed in August:
4.3mph - Average wind speed in September:
4.5mph - Average wind speed in October:
4.7mph - Average wind speed in November:
5mph - Average wind speed in December:
4.9mph
The windiest months (with the highest average wind speed) are March and April (5.2mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity
Lemhi, ID
The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is August (43%).
Average rainfall
Lemhi, ID
- Average rainfall in January:
0.63" - Average rainfall in February:
0.87" - Average rainfall in March:
1.06" - Average rainfall in April:
1.61" - Average rainfall in May:
1.89" - Average rainfall in June:
2.05"
- Average rainfall in July:
0.51" - Average rainfall in August:
0.51" - Average rainfall in September:
0.94" - Average rainfall in October:
1.1" - Average rainfall in November:
0.67" - Average rainfall in December:
0.55"
The wettest month (with the highest rainfall) is June (2.05").
The driest months (with the least rainfall) are July and August (0.51").
Average rainfall days
Lemhi, ID
- Average rainfall days in January:
6.3 days - Average rainfall days in February:
7.4 days - Average rainfall days in March:
13 days - Average rainfall days in April:
17.9 days - Average rainfall days in May:
18.3 days - Average rainfall days in June:
14.9 days
- Average rainfall days in July:
7.8 days - Average rainfall days in August:
7 days - Average rainfall days in September:
9.4 days - Average rainfall days in October:
12.7 days - Average rainfall days in November:
8 days - Average rainfall days in December:
6.8 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (6.3 days).
Average snowfall
Lemhi, ID
The month with the highest snowfall is February (5").
The months with the least snowfall are June, July and August (0").
Average snowfall days
Lemhi, ID
- Average snowfall days in January:
9.4 days - Average snowfall days in February:
12.3 days - Average snowfall days in March:
9.7 days - Average snowfall days in April:
8.4 days - Average snowfall days in May:
1.7 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:
0.3 days - Average snowfall days in October:
3.1 days - Average snowfall days in November:
8.2 days - Average snowfall days in December:
10.4 days
The month with the highest number of snowfall days is February (12.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Lemhi, 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 3min
- Average daylight in July:
15h and 1min - Average daylight in August:
14h and 0min - Average daylight in September:
12h and 3min - Average daylight in October:
10h and 5min - Average daylight in November:
9h and 4min - Average daylight in December:
8h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in January:
5h and 1min - Average sunshine in February:
5h and 4min - Average sunshine in March:
6h and 4min - Average sunshine in April:
9h and 0min - Average sunshine in May:
10h and 3min - Average sunshine in June:
11h and 1min
- Average sunshine in July:
11h and 5min - Average sunshine in August:
11h and 4min - Average sunshine in September:
9h and 2min - Average sunshine in October:
7h and 2min - Average sunshine in November:
6h and 1min - Average sunshine in December:
5h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days
Lemhi, ID
- Average sunshine days in January:
19.3 days - Average sunshine days in February:
13.3 days - Average sunshine days in March:
11.7 days - Average sunshine days in April:
7.7 days - Average sunshine days in May:
8.1 days - Average sunshine days in June:
11.3 days
- Average sunshine days in July:
19.4 days - Average sunshine days in August:
18.7 days - Average sunshine days in September:
17.7 days - Average sunshine days in October:
15 days - Average sunshine days in November:
17.1 days - Average sunshine days in December:
18.5 days
The month with the most sunshine days is July (19.4 days).
The month with the least sunshine days is April (7.7 days).
Average UV index
Lemhi, ID
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover
Lemhi, ID
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility
Lemhi, 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 (4mi).