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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 Saint Charles, Idaho, is a freezing cold winter month, with an average temperature fluctuating between 8.4°F (-13.1°C) and 26.4°F (-3.1°C). On the advent of January, Saint Charles's average high-temperature exhibits a minor adjustment to a still freezing cold 26.4°F (-3.1°C) from December's 25.5°F (-3.6°C). Weather in January »
Weather in February
The last month of the winter, February, is also a subzero cold month in Saint Charles, Idaho, with an average temperature varying between 11.5°F (-11.4°C) and 28.2°F (-2.1°C). Saint Charles transitions into February recording an average high-temperature of a still freezing cold 28.2°F (-2.1°C), closely aligning with the preceding month's temperature. Weather in February »
Weather in March
March, the first month of the spring in Saint Charles, is an icy month, with an average temperature varying between 18.9°F (-7.3°C) and 35.8°F (2.1°C). The arrival of March signals a slight increase in the average high-temperature, moving from a subzero cold 28.2°F (-2.1°C) in February to a cold 35.8°F (2.1°C). Weather in March »
Weather in April
April in Saint Charles, Idaho, is a chilly spring month, with an average temperature varying between 26.1°F (-3.3°C) and 44.6°F (7°C). April introduces a minor temperature shift, with average high-temperatures adjusting from March's wintry 35.8°F (2.1°C) to a chilly 44.6°F (7°C). Weather in April »
Weather in May
May, the last month of the spring in Saint Charles, is a refreshing month, with an average temperature fluctuating between 56.3°F (13.5°C) and 34.2°F (1.2°C). The shift into May is characterized by a rise in the average high-temperature, transitioning from April's frosty 44.6°F (7°C) to a moderate 56.3°F (13.5°C). Weather in May »
Weather in June
June, the first month of the summer in Saint Charles, is an agreeable month, with temperature in the range of an average high of 69.6°F (20.9°C) and an average low of 41.5°F (5.3°C). The shift from May to June sees an increase in the average high-temperature, transitioning from a refreshing 56.3°F (13.5°C) to an agreeable 69.6°F (20.9°C). Weather in June »
Weather in July
July is a warm summer month in Saint Charles, Idaho, with temperature in the range of an average low of 49.6°F (9.8°C) and an average high of 79.2°F (26.2°C). Saint Charles's temperatures tend to reach their peak averages in July, with a high of 79.2°F (26.2°C) and a low of 49.6°F (9.8°C). Weather in July »
Weather in August
August, the last month of the summer in Saint Charles, is also a moderately hot month, with an average temperature fluctuating between 77.5°F (25.3°C) and 49.8°F (9.9°C). The arrival of August sees a recorded average high-temperature of a still moderately hot 77.5°F (25.3°C), showing little divergence from the previous month's conditions. Weather in August »
Weather in September
The first month of the autumn, September, is also an agreeable month in Saint Charles, Idaho, with an average temperature fluctuating between 43.2°F (6.2°C) and 68.4°F (20.2°C). The average high-temperature drops in September, from August's warm 77.5°F (25.3°C) to an agreeable 68.4°F (20.2°C). Weather in September »
Weather in October
October, like September, in Saint Charles, Idaho, is a cool autumn month, with an average temperature ranging between min 31.5°F (-0.3°C) and max 50.7°F (10.4°C). A shift in Saint Charles's weather is noticeable as September turns into October, with the average high temperature decreasing from an agreeable 68.4°F (20.2°C) to a fresh 50.7°F (10.4°C). Weather in October »
Weather in November
November, the last month of the autumn in Saint Charles, is also an icy month, with an average temperature fluctuating between 20.7°F (-6.3°C) and 37.6°F (3.1°C). A decrease in the average high-temperature is observed during November, shifting from a fresh 50.7°F (10.4°C) in October to a wintry 37.6°F (3.1°C). Weather in November »
Weather in December
December, the first month of the winter in Saint Charles, is also a subzero cold month, with an average temperature ranging between max 25.5°F (-3.6°C) and min 9.9°F (-12.3°C). The lowest temperatures are recorded in December, with averages reaching a high of 25.5°F (-3.6°C) and a low of 9.9°F (-12.3°C). Weather in December »
[Resources]Frequently asked questions
What is the most humid month in Saint Charles?
The most humid month in Saint Charles is January, with an average relative humidity of 92%.
How much does it rain in Saint Charles?
In Saint Charles, Idaho, during the entire year, the rain falls for 105.7 days and collects up to 16.69" (424mm) of precipitation.
When does it snow in Saint Charles?
January through June, September through December are months with snowfall.
How much does it snow in Saint Charles?
In Saint Charles, during the entire year, snow falls for 104.6 days and aggregates up to 63.58" (1615mm) of snow.
What is the month with the least sunshine in Saint Charles?
With an average of 4.3h of sunshine, January has the least sunshine of the year in Saint Charles.
What is the month with the lowest UV index in Saint Charles?
The months with the lowest UV index are January, November and December, with an average maximum UV index of 1.
What is the snowiest month in Saint Charles?
The month with the most snowfall is March, when snow falls for 16 days and typically aggregates up to 12.17" (309mm) of snow.
When is Daylight Saving Time (DST) in Saint Charles?
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 in Saint Charles?
May is the month with the most rainfall. Rain falls for 15.3 days and accumulates 2.28" (58mm) of precipitation.
When are the longest days in Saint Charles?
With an average of 15h and 12min of daylight, June has the longest days of the year in Saint Charles, Idaho.
When is the highest UV index in Saint Charles?
June and July, with an average maximum UV index of 5, are months with the highest UV index in Saint Charles, Idaho.
What time of the year is the hottest in Saint Charles?
July, with its average high-temperature of 79.2°F (26.2°C) and an average low-temperature of 49.6°F (9.8°C), holds the record as the warmest month.
What is the driest month in Saint Charles?
July is the month with the least rainfall. Rain falls for 8.5 days and accumulates 0.91" (23mm) of precipitation.
When it does not snow in Saint Charles?
In Saint Charles, snow does not fall in July and August.
What are the months with the most sunshine in Saint Charles?
July and August, with an average of 11.8h of sunshine, are months with the most sunshine.
What is the least humid month in Saint Charles?
With an average relative humidity of 42%, August is the least humid month.
What part of the year is the coldest in Saint Charles?
December is the coldest month in Saint Charles, Idaho, exhibiting average temperatures of 25.5°F (-3.6°C) at the peak and 9.9°F (-12.3°C) at the base.
What is the month with the shortest days in Saint Charles?
The month with the shortest days in Saint Charles is December, with an average of 9h and 12min of daylight.
Average temperature
Saint Charles, ID
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is December (25.5°F).
The month with the highest average low temperature is August (49.8°F).
The coldest month (with the lowest average low temperature) is January (8.4°F).
Average pressure
Saint Charles, ID
- Average pressure in January:
30.29"Hg - Average pressure in February:
30.16"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.91"Hg - Average pressure in June:
29.9"Hg
- Average pressure in July:
29.94"Hg - Average pressure in August:
29.94"Hg - Average pressure in September:
29.97"Hg - Average pressure in October:
30.05"Hg - Average pressure in November:
30.15"Hg - Average pressure in December:
30.25"Hg
The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed
Saint Charles, ID
- Average wind speed in January:
4.3mph - Average wind speed in February:
5mph - Average wind speed in March:
5mph - Average wind speed in April:
5.8mph - Average wind speed in May:
5.7mph - Average wind speed in June:
6mph
- Average wind speed in July:
5.4mph - Average wind speed in August:
5.6mph - Average wind speed in September:
5.5mph - Average wind speed in October:
5.2mph - Average wind speed in November:
4.8mph - Average wind speed in December:
4.4mph
The windiest month (with the highest average wind speed) is June (6mph).
The calmest month (with the lowest average wind speed) is January (4.3mph).
Average humidity
Saint Charles, ID
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is August (42%).
Average rainfall
Saint Charles, ID
- Average rainfall in January:
1.34" - Average rainfall in February:
1.54" - Average rainfall in March:
1.77" - Average rainfall in April:
2.13" - Average rainfall in May:
2.28" - Average rainfall in June:
1.26"
- Average rainfall in July:
0.91" - Average rainfall in August:
1.02" - Average rainfall in September:
1.14" - Average rainfall in October:
1.06" - Average rainfall in November:
1.02" - Average rainfall in December:
1.22"
The wettest month (with the highest rainfall) is May (2.28").
The driest month (with the least rainfall) is July (0.91").
Average rainfall days
Saint Charles, ID
- Average rainfall days in January:
4.3 days - Average rainfall days in February:
5.7 days - Average rainfall days in March:
7.9 days - Average rainfall days in April:
13.4 days - Average rainfall days in May:
15.3 days - Average rainfall days in June:
10.8 days
- Average rainfall days in July:
8.5 days - Average rainfall days in August:
8.9 days - Average rainfall days in September:
9.5 days - Average rainfall days in October:
9.6 days - Average rainfall days in November:
6.3 days - Average rainfall days in December:
5.5 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (4.3 days).
Average snowfall
Saint Charles, ID
- Average snowfall in January:
10.91" - Average snowfall in February:
11.02" - Average snowfall in March:
12.17" - Average snowfall in April:
8.46" - Average snowfall in May:
1.93" - Average snowfall in June:
0.04"
The month with the highest snowfall is March (12.17").
The months with the least snowfall are July and August (0").
Average snowfall days
Saint Charles, ID
- Average snowfall days in January:
19.3 days - Average snowfall days in February:
20 days - Average snowfall days in March:
16 days - Average snowfall days in April:
11 days - Average snowfall days in May:
2.8 days - Average snowfall days in June:
0.2 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:
5.2 days - Average snowfall days in November:
11.1 days - Average snowfall days in December:
18.5 days
The month with the highest number of snowfall days is February (20 days).
The months with the least snowfall days are July and August (0 days).
Average daylight / Average sunshine
Saint Charles, ID
- Average daylight in January:
9h and 3min - 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 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January:
4h and 2min - Average sunshine in February:
4h and 2min - Average sunshine in March:
6h and 2min - Average sunshine in April:
9h and 0min - Average sunshine in May:
10h and 2min - Average sunshine in June:
11h and 2min
- Average sunshine in July:
11h and 5min - Average sunshine in August:
11h and 5min - Average sunshine in September:
10h and 1min - Average sunshine in October:
7h and 0min - Average sunshine in November:
6h and 1min - Average sunshine in December:
4h and 4min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days
Saint Charles, ID
- Average sunshine days in January:
12.6 days - Average sunshine days in February:
8.6 days - Average sunshine days in March:
11.4 days - Average sunshine days in April:
9.4 days - Average sunshine days in May:
11 days - Average sunshine days in June:
16.8 days
- Average sunshine days in July:
18.4 days - Average sunshine days in August:
17.2 days - Average sunshine days in September:
17.5 days - Average sunshine days in October:
17.9 days - Average sunshine days in November:
17.7 days - Average sunshine days in December:
12.6 days
The month with the most sunshine days is July (18.4 days).
The month with the least sunshine days is February (8.6 days).
Average UV index
Saint Charles, ID
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover
Saint Charles, ID
The month with the most cloud cover is February (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 13).
Average visibility
Saint Charles, 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).
Saint Charles, Idaho, USA
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