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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, the same as December, in Herman, Idaho, is another subzero cold winter month, with an average temperature ranging between max 26.1°F (-3.3°C) and min 7.3°F (-13.7°C). The arrival of January sees a recorded average high-temperature of a still subzero cold 26.1°F (-3.3°C), showing little divergence from the previous month's conditions. Weather in January »
Weather in February
February, the last month of the winter in Herman, is also a subzero cold month, with temperature in the range of an average high of 27.3°F (-2.6°C) and an average low of 9.9°F (-12.3°C). As February unfolds, the average high-temperature reaches a still freezing cold 27.3°F (-2.6°C), hinting at a slight fluctuation from the previous month. Weather in February »
Weather in March
March, the first month of the spring in Herman, is a cold month, with temperature in the range of an average high of 33.8°F (1°C) and an average low of 16.9°F (-8.4°C). The shift from February to March introduces a subtle increase in the average high-temperature, moving from a freezing cold 27.3°F (-2.6°C) to an icy 33.8°F (1°C). Weather in March »
Weather in April
April, like March, in Herman, Idaho, is a wintry spring month, with an average temperature ranging between min 22.8°F (-5.1°C) and max 42.1°F (5.6°C). In Herman, the average high-temperature in April slightly rises, from 33.8°F (1°C) in March, to a still icy 42.1°F (5.6°C). Weather in April »
Weather in May
May, the last month of the spring in Herman, is a refreshing month, with an average temperature varying between 31.3°F (-0.4°C) and 55.4°F (13°C). May's arrival brings a change in high-temperatures, moving from a cold 42.1°F (5.6°C) in April to a mild 55.4°F (13°C). Weather in May »
Weather in June
The first month of the summer, June, is a comfortable month in Herman, Idaho, with an average temperature ranging between min 37.9°F (3.3°C) and max 66.6°F (19.2°C). The onset of June marks an increase in the average high-temperature, moving from 55.4°F (13°C) in May to a still refreshing 66.6°F (19.2°C). Weather in June »
Weather in July
July is a moderately hot summer month in Herman, Idaho, with an average temperature fluctuating between 77.5°F (25.3°C) and 45.3°F (7.4°C). July, with its high-temperature average of 77.5°F (25.3°C) and a low-temperature average of 45.3°F (7.4°C), is the warmest month. Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Herman, Idaho, with an average temperature fluctuating between 45.3°F (7.4°C) and 76.5°F (24.7°C). The onset of August notes an average high-temperature of a still moderately hot 76.5°F (24.7°C), subtly shifted from July's 77.5°F (25.3°C). Weather in August »
Weather in September
September, the first month of the autumn in Herman, is still a refreshing month, with temperature in the range of an average low of 40.1°F (4.5°C) and an average high of 66.6°F (19.2°C). Transition from August to September is accompanied by a temperature drop, with average high-temperatures decreasing from a moderately hot 76.5°F (24.7°C) to an enjoyable 66.6°F (19.2°C). Weather in September »
Weather in October
October, like September, is another chilly autumn month in Herman, Idaho, with an average temperature varying between 48.9°F (9.4°C) and 29.1°F (-1.6°C). A noticeable downshift in temperatures is seen as September gives way to October, with average highs moving from a comfortable 66.6°F (19.2°C) to a frosty 48.9°F (9.4°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a wintry month in Herman, Idaho, with an average temperature fluctuating between 35.1°F (1.7°C) and 18.5°F (-7.5°C). November indicates a shift in the average high-temperature, from October's chilly 48.9°F (9.4°C) to a cold 35.1°F (1.7°C). Weather in November »
Weather in December
December, the first month of the winter in Herman, is also a subzero cold month, with an average temperature fluctuating between 24.3°F (-4.3°C) and 8.8°F (-12.9°C). December stands out as Herman's coldest month, with temperatures ranging between an average high of 24.3°F (-4.3°C) and a low of 8.8°F (-12.9°C). Weather in December »
Updated: Aug 24, 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 many days does it rain?
In Herman, during the entire year, the rain falls for 127 days and collects up to 24.29" (617mm) of precipitation.
When does it snow?
January through June, September through December are months with snowfall in Herman.
How many days does it snow in Herman?
In Herman, during the entire year, snow falls for 126.6 days and aggregates up to 110.28" (2801mm) of snow.
When is the lowest UV index?
January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index.
What is the most humid month?
February is the most humid month, with an average relative humidity of 94%.
What is the rainiest month?
February is the month with the most rainfall. Rain falls for 5.6 days and accumulates 2.91" (74mm) of precipitation.
When does it snow the most?
The month with the most snowfall in Herman is February, when snow falls for 22.3 days and typically aggregates up to 22.91" (582mm) of snow.
What is the month with the least sunshine?
The month with the least sunshine in Herman is February, with an average of 4h of sunshine.
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.
When are the longest days?
With an average of 15h and 18min of daylight, June has the longest days of the year.
What are the warmest months?
With average high and low temperatures of 77.5°F (25.3°C) and 45.3°F (7.4°C) respectively, July is Herman's warmest month.
What is the driest month?
The month with the least rainfall is July, when the rain falls for 10.4 days and typically collects 0.91" (23mm) of precipitation.
When it does not snow in Herman?
July and August are months without snowfall.
What month has the most sunshine in Herman?
July has the most sunshine of the year, with an average of 11.9h of sunshine.
What is the month with the highest UV index?
With an average maximum UV index of 5, July is the month with the highest UV index.
What is the least humid month in Herman?
The least humid month is August, with an average relative humidity of 46%.
What are the coldest months?
December is Herman's coldest month, registering average high temperatures of 24.3°F (-4.3°C) and lows of 8.8°F (-12.9°C).
What is the month with the shortest days?
With an average of 9h and 6min of daylight, December has the shortest days of the year.
Average temperature
Herman, ID
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is December (24.3°F).
The months with the highest average low temperature are July and August (45.3°F).
The coldest month (with the lowest average low temperature) is January (7.3°F).
Average pressure
Herman, ID
- Average pressure in January:
30.28"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:
29.97"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
29.98"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 (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Herman, ID
- Average wind speed in January:
4.3mph - Average wind speed in February:
4.9mph - Average wind speed in March:
5mph - Average wind speed in April:
5mph - Average wind speed in May:
5mph - Average wind speed in June:
5.7mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.4mph - Average wind speed in September:
5.2mph - Average wind speed in October:
4.8mph - Average wind speed in November:
4.7mph - Average wind speed in December:
4.4mph
The windiest month (with the highest average wind speed) is June (5.7mph).
The calmest month (with the lowest average wind speed) is January (4.3mph).
Average humidity
Herman, ID
The month with the highest relative humidity is February (94%).
The month with the lowest relative humidity is August (46%).
Average rainfall
Herman, ID
- Average rainfall in January:
2.64" - Average rainfall in February:
2.91" - Average rainfall in March:
2.32" - Average rainfall in April:
2.83" - Average rainfall in May:
2.52" - Average rainfall in June:
2.2"
- Average rainfall in July:
0.91" - Average rainfall in August:
0.94" - Average rainfall in September:
1.46" - Average rainfall in October:
1.65" - Average rainfall in November:
1.89" - Average rainfall in December:
2.01"
The wettest month (with the highest rainfall) is February (2.91").
The driest month (with the least rainfall) is July (0.91").
Average rainfall days
Herman, ID
- Average rainfall days in January:
4.6 days - Average rainfall days in February:
5.6 days - Average rainfall days in March:
11.8 days - Average rainfall days in April:
16.6 days - Average rainfall days in May:
17.9 days - Average rainfall days in June:
14.1 days
- Average rainfall days in July:
10.4 days - Average rainfall days in August:
10.6 days - Average rainfall days in September:
11.1 days - Average rainfall days in October:
11.8 days - Average rainfall days in November:
6.7 days - Average rainfall days in December:
5.8 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is January (4.6 days).
Average snowfall
Herman, ID
- Average snowfall in January:
22.09" - Average snowfall in February:
22.91" - Average snowfall in March:
15.55" - Average snowfall in April:
11.77" - Average snowfall in May:
2.87" - Average snowfall in June:
0.28"
The month with the highest snowfall is February (22.91").
The months with the least snowfall are July and August (0").
Average snowfall days
Herman, ID
- Average snowfall days in January:
20.6 days - Average snowfall days in February:
22.3 days - Average snowfall days in March:
19.9 days - Average snowfall days in April:
14.8 days - Average snowfall days in May:
4.1 days - Average snowfall days in June:
0.7 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0.5 days - Average snowfall days in October:
7.1 days - Average snowfall days in November:
14.3 days - Average snowfall days in December:
22.3 days
The months with the highest number of snowfall days are February and December (22.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight / Average sunshine
Herman, ID
- Average daylight in January:
9h and 2min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 4min - Average daylight in June:
15h and 2min
- Average daylight in July:
15h and 0min - 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 1min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January:
4h and 1min - Average sunshine in February:
4h and 0min - Average sunshine in March:
5h and 2min - Average sunshine in April:
8h and 1min - Average sunshine in May:
10h and 1min - 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:
10h and 1min - Average sunshine in October:
6h and 4min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days
Herman, ID
- Average sunshine days in January:
10.4 days - Average sunshine days in February:
5.8 days - Average sunshine days in March:
6.3 days - Average sunshine days in April:
5.3 days - Average sunshine days in May:
7.8 days - Average sunshine days in June:
12.8 days
- Average sunshine days in July:
16.1 days - Average sunshine days in August:
15.3 days - Average sunshine days in September:
16.2 days - Average sunshine days in October:
15 days - Average sunshine days in November:
13.1 days - Average sunshine days in December:
9.3 days
The month with the most sunshine days is September (16.2 days).
The month with the least sunshine days is April (5.3 days).
Average UV index
Herman, ID
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover
Herman, ID
The month with the most cloud cover is February (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 13).
Average visibility
Herman, 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 and December (3mi).
Herman, Idaho, USA
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