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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 a freezing cold winter month in Swanlake, Idaho, with an average temperature ranging between min 13.5°F (-10.3°C) and max 29.1°F (-1.6°C). The transition from December to January sees average high-temperatures adjusting to a still subzero cold 29.1°F (-1.6°C), from a not significantly different 28.8°F (-1.8°C). Weather in January »
Weather in February
The last month of the winter, February, is also a subzero cold month in Swanlake, Idaho, with an average temperature varying between 16.7°F (-8.5°C) and 31.6°F (-0.2°C). The shift into February finds Swanlake at an average high-temperature of a still freezing cold 31.6°F (-0.2°C), closely comparable to January's conditions. Weather in February »
Weather in March
March, the first month of the spring in Swanlake, is a wintry month, with an average temperature ranging between min 25.7°F (-3.5°C) and max 41°F (5°C). March signals a shift in the average high-temperature, moving from February's freezing cold 31.6°F (-0.2°C) to a wintry 41°F (5°C). Weather in March »
Weather in April
April in Swanlake, Idaho, is a frosty spring month, with an average temperature ranging between max 49.8°F (9.9°C) and min 30.6°F (-0.8°C). The onset of April brings a minor temperature shift, with the average high-temperature moving from a wintry 41°F (5°C) in March to a frosty 49.8°F (9.9°C). Weather in April »
Weather in May
May, the last month of the spring in Swanlake, is an enjoyable month, with an average temperature fluctuating between 61.2°F (16.2°C) and 37°F (2.8°C). Swanlake experiences a temperature shift with the start of May, with average high-temperatures moving from a frosty 49.8°F (9.9°C) in April to a refreshing 61.2°F (16.2°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Swanlake, Idaho, with temperature in the range of an average low of 44.6°F (7°C) and an average high of 73.6°F (23.1°C). The transition to June introduces an increase in the average high-temperature, shifting from a refreshing 61.2°F (16.2°C) in May to a warm 73.6°F (23.1°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Swanlake, Idaho, with temperature in the range of an average low of 53.8°F (12.1°C) and an average high of 84.4°F (29.1°C). The warmest period is July, when temperatures fluctuate between an average high of 84.4°F (29.1°C) and a low of 53.8°F (12.1°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Swanlake, Idaho, with an average temperature varying between 53.4°F (11.9°C) and 82.9°F (28.3°C). With the advent of August, Swanlake's high-temperatures adjust to a still moderately hot 82.9°F (28.3°C), closely aligning with the preceding month. Weather in August »
Weather in September
The first month of the autumn, September, is still a pleasant month in Swanlake, Idaho, with an average temperature fluctuating between 46.6°F (8.1°C) and 72.5°F (22.5°C). September shows a mild decline in the average high-temperature, falling from August's moderately hot 82.9°F (28.3°C) to a pleasant 72.5°F (22.5°C). Weather in September »
Weather in October
October, like September, in Swanlake, Idaho, is another fresh autumn month, with temperature in the range of an average high of 54.7°F (12.6°C) and an average low of 34.7°F (1.5°C). October's arrival is marked by a notable drop in high-temperatures, falling from an agreeable 72.5°F (22.5°C) in September to a cool 54.7°F (12.6°C). Weather in October »
Weather in November
The last month of the autumn, November, is also an icy month in Swanlake, Idaho, with an average temperature ranging between min 25.3°F (-3.7°C) and max 41.2°F (5.1°C). November indicates a shift in the average high-temperature, from October's cool 54.7°F (12.6°C) to an icy 41.2°F (5.1°C). Weather in November »
Weather in December
The first month of the winter, December, is still a freezing cold month in Swanlake, Idaho, with temperature in the range of an average high of 28.8°F (-1.8°C) and an average low of 14.9°F (-9.5°C). December is the month that records the lowest temperatures, with averages ranging from a high of 28.8°F (-1.8°C) to a low of 14.9°F (-9.5°C). Weather in December »
Updated: Jul 18, 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 much does it rain?
In Swanlake, during the entire year, the rain falls for 127.4 days and collects up to 18.27" (464mm) of precipitation.
When does it snow?
January through May, September through December are months with snowfall.
When does it snow the most?
The month with the most snowfall is January, when snow falls for 17.6 days and typically aggregates up to 16.73" (425mm) of snow.
How much does it snow?
In Swanlake, during the entire year, snow falls for 83.8 days and aggregates up to 60.12" (1527mm) of snow.
What is the month with the least sunshine in Swanlake?
January has the least sunshine of the year, with an average of 4.8h of sunshine.
What is the month with the lowest UV index?
January and December, with an average maximum UV index of 1, are months with the lowest UV index.
What is the rainiest month?
The month with the most rainfall is February, when the rain falls for 10.9 days and typically aggregates up to 2.24" (57mm) of precipitation.
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 it does not snow?
In Swanlake, snow does not fall in June through August.
When are the longest days?
The month with the longest days is June, with an average of 15h and 12min of daylight.
What time of the year is the hottest?
In Swanlake, the peak temperatures are generally noted in July, averaging a high of 84.4°F (29.1°C) and a low of 53.8°F (12.1°C).
What is the driest month?
July is the month with the least rainfall. Rain falls for 5.5 days and accumulates 0.35" (9mm) of precipitation.
What month has the most sunshine?
The month with the most sunshine is July, with an average of 12h of sunshine.
When is the highest UV index?
With an average maximum UV index of 6, July is the month with the highest UV index.
What is the least humid month in Swanlake?
With an average relative humidity of 38%, August is the least humid month.
What month is the coldest?
The month of December, characterized by an average high of 28.8°F (-1.8°C) and a low of 14.9°F (-9.5°C), is recognized as the coldest.
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
Swanlake, ID
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is December (28.8°F).
The month with the highest average low temperature is July (53.8°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure
Swanlake, ID
- Average pressure in January:
30.3"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:
29.89"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.93"Hg - Average pressure in September:
29.96"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 (30.3"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed
Swanlake, ID
- Average wind speed in January:
4.2mph - Average wind speed in February:
4.8mph - Average wind speed in March:
5.3mph - Average wind speed in April:
5.8mph - Average wind speed in May:
5.5mph - Average wind speed in June:
5.7mph
- Average wind speed in July:
5.4mph - Average wind speed in August:
5.7mph - Average wind speed in September:
5.4mph - Average wind speed in October:
4.8mph - Average wind speed in November:
4.8mph - Average wind speed in December:
4.5mph
The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest month (with the lowest average wind speed) is January (4.2mph).
Average humidity
Swanlake, ID
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (38%).
Average rainfall
Swanlake, ID
- Average rainfall in January:
2.2" - Average rainfall in February:
2.24" - Average rainfall in March:
2.09" - Average rainfall in April:
2.09" - Average rainfall in May:
2.17" - Average rainfall in June:
1.26"
- Average rainfall in July:
0.35" - Average rainfall in August:
0.51" - Average rainfall in September:
1.14" - Average rainfall in October:
1.14" - Average rainfall in November:
1.26" - Average rainfall in December:
1.81"
The wettest month (with the highest rainfall) is February (2.24").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days
Swanlake, ID
- Average rainfall days in January:
8.9 days - Average rainfall days in February:
10.9 days - Average rainfall days in March:
15.3 days - Average rainfall days in April:
16.6 days - Average rainfall days in May:
16.5 days - Average rainfall days in June:
9.9 days
- Average rainfall days in July:
5.5 days - Average rainfall days in August:
6.5 days - Average rainfall days in September:
7.5 days - Average rainfall days in October:
10.5 days - Average rainfall days in November:
9.7 days - Average rainfall days in December:
9.6 days
The month with the highest number of rainy days is April (16.6 days).
The month with the least rainy days is July (5.5 days).
Average snowfall
Swanlake, ID
- Average snowfall in January:
16.73" - Average snowfall in February:
12.95" - Average snowfall in March:
7.6" - Average snowfall in April:
2.8" - Average snowfall in May:
0.39" - Average snowfall in June:
0"
The month with the highest snowfall is January (16.73").
The months with the least snowfall are June, July and August (0").
Average snowfall days
Swanlake, ID
- Average snowfall days in January:
17.6 days - Average snowfall days in February:
17.6 days - Average snowfall days in March:
12.3 days - Average snowfall days in April:
6.5 days - Average snowfall days in May:
0.6 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:
0.1 days - Average snowfall days in October:
2.3 days - Average snowfall days in November:
9.5 days - Average snowfall days in December:
17.3 days
The months with the highest number of snowfall days are January and February (17.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Swanlake, 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 0min - 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 6min).
- Average sunshine in January:
4h and 5min - Average sunshine in February:
5h and 3min - Average sunshine in March:
7h and 2min - Average sunshine in April:
9h and 4min - Average sunshine in May:
10h and 4min - 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 3min - Average sunshine in December:
5h and 2min
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 48min).
Average sunshine days
Swanlake, ID
- Average sunshine days in January:
12.6 days - Average sunshine days in February:
8.3 days - Average sunshine days in March:
8.8 days - Average sunshine days in April:
9.2 days - Average sunshine days in May:
10.1 days - Average sunshine days in June:
16.3 days
- Average sunshine days in July:
21.8 days - Average sunshine days in August:
21.1 days - Average sunshine days in September:
18.8 days - Average sunshine days in October:
18.3 days - Average sunshine days in November:
15.6 days - Average sunshine days in December:
11.2 days
The month with the most sunshine days is July (21.8 days).
The month with the least sunshine days is February (8.3 days).
Average UV index
Swanlake, 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
Swanlake, ID
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are July and August (Cloud cover 10).
Average visibility
Swanlake, 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).
Swanlake, Idaho, USA
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