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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 Firth, Idaho, is a freezing cold winter month, with an average temperature ranging between max 28°F (-2.2°C) and min 14.7°F (-9.6°C). Entering January, Firth's average high-temperature reads a still freezing cold 28°F (-2.2°C), indicating a close resemblance to the previous month's climate. Weather in January »
Weather in February
February, the last month of the winter in Firth, is also a subzero cold month, with an average temperature varying between 31.5°F (-0.3°C) and 18.3°F (-7.6°C). Firth sees the arrival of February with an average high-temperature of a still subzero cold 31.5°F (-0.3°C), indicating a subtle variation from January. Weather in February »
Weather in March
The first month of the spring, March, is a wintry month in Firth, Idaho, with an average temperature varying between 27.9°F (-2.3°C) and 42.1°F (5.6°C). Firth's transition into March sees a rise in the average high-temperature, advancing from a subzero cold 31.5°F (-0.3°C) in February to a wintry 42.1°F (5.6°C). Weather in March »
Weather in April
April is a fresh spring month in Firth, Idaho, with an average temperature fluctuating between 52.7°F (11.5°C) and 34.3°F (1.3°C). April brings a rise in the average high-temperature, transitioning from March's icy 42.1°F (5.6°C) to a cool 52.7°F (11.5°C). Weather in April »
Weather in May
The last month of the spring, May, is a refreshing month in Firth, Idaho, with an average temperature fluctuating between 41.2°F (5.1°C) and 63°F (17.2°C). The beginning of May signals a rise in the average high-temperature, moving from a cool 52.7°F (11.5°C) in April to an enjoyable 63°F (17.2°C). Weather in May »
Weather in June
June, the first month of the summer in Firth, is a warm month, with an average temperature fluctuating between 47.1°F (8.4°C) and 73.8°F (23.2°C). The shift from May to June sees an increase in the average high-temperature, transitioning from a refreshing 63°F (17.2°C) to a warm 73.8°F (23.2°C). Weather in June »
Weather in July
July, like June, in Firth, Idaho, is another warm summer month, with an average temperature ranging between max 85.3°F (29.6°C) and min 54.9°F (12.7°C). July, with its high-temperature average of 85.3°F (29.6°C) and a low-temperature average of 54.9°F (12.7°C), is the warmest month. Weather in July »
Weather in August
August, the last month of the summer in Firth, is also a moderately hot month, with an average temperature varying between 83.3°F (28.5°C) and 55°F (12.8°C). The transition into August shows a subtle variation to a still warm 83.3°F (28.5°C) from July's 85.3°F (29.6°C) in the average high-temperature. Weather in August »
Weather in September
September, the first month of the autumn in Firth, is still a pleasant month, with temperature in the range of an average high of 72.9°F (22.7°C) and an average low of 49.3°F (9.6°C). Firth's progression into September includes a drop in the average high-temperature, from a moderately hot 83.3°F (28.5°C) in August to a pleasant 72.9°F (22.7°C). Weather in September »
Weather in October
October, the same as September, in Firth, Idaho, is a moderate autumn month, with an average temperature ranging between min 37.2°F (2.9°C) and max 55.4°F (13°C). October's arrival sees a clear drop in the average high-temperature, decreasing from September's pleasant 72.9°F (22.7°C) to a mild 55.4°F (13°C). Weather in October »
Weather in November
November, the last month of the autumn in Firth, is also a wintry month, with an average temperature varying between 41°F (5°C) and 26.2°F (-3.2°C). November is marked by a significant decrease, with the average high-temperature retreating from a mild 55.4°F (13°C) in October to a wintry 41°F (5°C). Weather in November »
Weather in December
December, the first month of the winter in Firth, is also a subzero cold month, with an average temperature varying between 16°F (-8.9°C) and 27.9°F (-2.3°C). With average temperatures fluctuating between a high of 27.9°F (-2.3°C) and a low of 16°F (-8.9°C), December stands out as the coldest month. Weather in December »
Updated: Aug 4, 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?
With an average relative humidity of 90%, January is the most humid month.
How much does it rain?
In Firth, during the entire year, the rain falls for 124.6 days and collects up to 12.24" (311mm) of precipitation.
When does it snow?
January through May, September through December are months with snowfall.
What is the snowiest month?
The month with the most snowfall is January, when snow falls for 16.3 days and typically aggregates up to 7.44" (189mm) of snow.
How much does it snow?
In Firth, during the entire year, snow falls for 75.1 days and aggregates up to 30.59" (777mm) of snow.
What is the month with the least sunshine?
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 in Firth?
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Firth.
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?
The month with the most rainfall is May, when the rain falls for 15.9 days and typically aggregates up to 1.57" (40mm) of precipitation.
When it does not snow?
In Firth, snow does not fall in June through August.
When are the longest days?
With an average of 15h and 18min of daylight, June has the longest days of the year.
What part of the year is the hottest?
July is the month that records the highest temperatures, with averages ranging from a high of 85.3°F (29.6°C) to a low of 54.9°F (12.7°C).
What is the least humid month?
The months with the lowest humidity are July and August, with an average relative humidity of 36%.
What is the driest month?
The month with the least rainfall is July, when the rain falls for 8.3 days and typically collects 0.51" (13mm) of precipitation.
What month has the most sunshine?
With an average of 11.9h of sunshine, July has the most sunshine of the year.
What is the month with the highest UV index?
With an average maximum UV index of 6, July is the month with the highest UV index.
What time of the year is the coldest?
December is the coldest month, with the temperature often reaching an average high of 27.9°F (-2.3°C) and an average low of 16°F (-8.9°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
Firth, ID
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is December (27.9°F).
The month with the highest average low temperature is August (55°F).
The coldest month (with the lowest average low temperature) is January (14.7°F).
Average pressure
Firth, ID
- Average pressure in January:
30.3"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:
29.95"Hg - Average pressure in August:
29.95"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 (30.3"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Firth, ID
- Average wind speed in January:
6mph - Average wind speed in February:
7.2mph - Average wind speed in March:
7.8mph - Average wind speed in April:
8.9mph - Average wind speed in May:
8mph - Average wind speed in June:
8.6mph
- Average wind speed in July:
7.5mph - Average wind speed in August:
7.1mph - Average wind speed in September:
7.5mph - Average wind speed in October:
7.5mph - Average wind speed in November:
7.1mph - Average wind speed in December:
6.2mph
The windiest month (with the highest average wind speed) is April (8.9mph).
The calmest month (with the lowest average wind speed) is January (6mph).
Average humidity
Firth, ID
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are July and August (36%).
Average rainfall
Firth, ID
- Average rainfall in January:
1.06" - Average rainfall in February:
0.91" - Average rainfall in March:
1.3" - Average rainfall in April:
1.34" - Average rainfall in May:
1.57" - Average rainfall in June:
1.1"
- Average rainfall in July:
0.51" - Average rainfall in August:
0.83" - Average rainfall in September:
1.06" - Average rainfall in October:
0.91" - Average rainfall in November:
0.75" - Average rainfall in December:
0.91"
The wettest month (with the highest rainfall) is May (1.57").
The driest month (with the least rainfall) is July (0.51").
Average rainfall days
Firth, ID
- Average rainfall days in January:
6.1 days - Average rainfall days in February:
8.4 days - Average rainfall days in March:
14 days - Average rainfall days in April:
15.3 days - Average rainfall days in May:
15.9 days - Average rainfall days in June:
10.7 days
- Average rainfall days in July:
8.3 days - Average rainfall days in August:
9.3 days - Average rainfall days in September:
10.1 days - Average rainfall days in October:
10 days - Average rainfall days in November:
8.5 days - Average rainfall days in December:
8 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (6.1 days).
Average snowfall
Firth, ID
- Average snowfall in January:
7.44" - Average snowfall in February:
5.28" - Average snowfall in March:
4.76" - Average snowfall in April:
1.57" - Average snowfall in May:
0.59" - Average snowfall in June:
0"
The month with the highest snowfall is January (7.44").
The months with the least snowfall are June, July and August (0").
Average snowfall days
Firth, ID
- Average snowfall days in January:
16.3 days - Average snowfall days in February:
15.5 days - Average snowfall days in March:
10.6 days - Average snowfall days in April:
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:
1.5 days - Average snowfall days in November:
8.8 days - Average snowfall days in December:
16.7 days
The month with the highest number of snowfall days is December (16.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Firth, 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 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 0min
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 0min).
- Average sunshine in January:
4h and 5min - Average sunshine in February:
5h and 4min - Average sunshine in March:
7h and 3min - Average sunshine in April:
9h and 5min - Average sunshine in May:
10h and 5min - Average sunshine in June:
11h and 4min
- Average sunshine in July:
11h and 5min - Average sunshine in August:
11h and 5min - Average sunshine in September:
9h and 5min - 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: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days
Firth, ID
- Average sunshine days in January:
14.6 days - Average sunshine days in February:
10.3 days - Average sunshine days in March:
10 days - Average sunshine days in April:
10.2 days - Average sunshine days in May:
11 days - Average sunshine days in June:
15.4 days
- Average sunshine days in July:
17.8 days - Average sunshine days in August:
16.9 days - Average sunshine days in September:
17.3 days - Average sunshine days in October:
18.9 days - Average sunshine days in November:
17.5 days - Average sunshine days in December:
13 days
The month with the most sunshine days is October (18.9 days).
The month with the least sunshine days is March (10 days).
Average UV index
Firth, 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
Firth, 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 11).
Average visibility
Firth, ID
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
Firth, Idaho, USA
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