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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 is a frosty winter month in La Grande, Washington, with an average temperature fluctuating between 32.5°F (0.3°C) and 43°F (6.1°C). La Grande records an average high-temperature of a frosty 43°F (6.1°C) in January, closely mirroring the climate of the previous month. Weather in January »
Weather in February
February, the last month of the winter in La Grande, is another chilly month, with an average temperature fluctuating between 31.6°F (-0.2°C) and 43.3°F (6.3°C). The onset of February notes an average high-temperature of a still frosty 43.3°F (6.3°C), subtly shifted from January's 43°F (6.1°C). Weather in February »
Weather in March
March, the first month of the spring in La Grande, is also a frosty month, with an average temperature varying between 48°F (8.9°C) and 33.4°F (0.8°C). La Grande's March showcases an average high-temperature of a still frosty 48°F (8.9°C), hardly distinct from February's 43.3°F (6.3°C). Weather in March »
Weather in April
April is a fresh spring month in La Grande, Washington, with an average temperature ranging between max 53.2°F (11.8°C) and min 36.3°F (2.4°C). La Grande in April witnesses an average high-temperature of a cool 53.2°F (11.8°C), indicating a slight variation from March's 48°F (8.9°C). Weather in April »
Weather in May
The last month of the spring, May, is an enjoyable month in La Grande, Washington, with temperature in the range of an average low of 40.6°F (4.8°C) and an average high of 62.1°F (16.7°C). La Grande's weather in May presents a minor rise in the average high-temperature, moving from a fresh 53.2°F (11.8°C) in April to an enjoyable 62.1°F (16.7°C). Weather in May »
Weather in June
The first month of the summer, June, is also an enjoyable month in La Grande, Washington, with temperature in the range of an average high of 66.7°F (19.3°C) and an average low of 43.9°F (6.6°C). At the onset of June, La Grande records an average high-temperature of a still enjoyable 66.7°F (19.3°C), showing little deviation from the preceding month. Weather in June »
Weather in July
July in La Grande, Washington, is a moderately hot summer month, with an average temperature varying between 74.8°F (23.8°C) and 47.8°F (8.8°C). July brings a slight elevation in the average high-temperature, transitioning from June's enjoyable 66.7°F (19.3°C) to a moderately hot 74.8°F (23.8°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in La Grande, Washington, with an average temperature fluctuating between 75°F (23.9°C) and 49.5°F (9.7°C). La Grande's August weather, marked by an average high temperature of 75°F (23.9°C) and an average low temperature of 49.5°F (9.7°C), is the warmest in the year. Weather in August »
Weather in September
September, the first month of the autumn in La Grande, is still a pleasant month, with an average temperature fluctuating between 46°F (7.8°C) and 68.2°F (20.1°C). September marks a gentle change in average high-temperature, declining from August's moderately hot 75°F (23.9°C) to a pleasant 68.2°F (20.1°C). Weather in September »
Weather in October
October, like September, is another refreshing autumn month in La Grande, Washington, with an average temperature varying between 57.6°F (14.2°C) and 41.5°F (5.3°C). La Grande's October weather features a mild decline in high-temperatures, reducing from a pleasant 68.2°F (20.1°C) in September to a moderate 57.6°F (14.2°C). Weather in October »
Weather in November
November, the last month of the autumn in La Grande, is another chilly month, with an average temperature fluctuating between 47.3°F (8.5°C) and 36.3°F (2.4°C). The onset of November brings a small change in high-temperatures, falling from a mild 57.6°F (14.2°C) in October to a frosty 47.3°F (8.5°C). Weather in November »
Weather in December
The first month of the winter, December, is also an icy month in La Grande, Washington, with an average temperature fluctuating between 41.2°F (5.1°C) and 31.1°F (-0.5°C). La Grande experiences its lowest temperatures in December, with an average peak of 41.2°F (5.1°C) and a low of 31.1°F (-0.5°C). Weather in December »
Updated: Aug 8, 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 182.2 rainfall days, and 37.83" (961mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through April, November and December.
How much does it snow?
Throughout the year, there are 20.4 snowfall days, and 13.62" (346mm) of snow is accumulated.
When is the lowest UV index?
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
What is the most humid month?
With an average relative humidity of 88%, February is the most humid month.
When does it snow the most?
February is the month with the most snowfall. Snow falls for 6 days and accumulates 4.84" (123mm) of snow.
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 PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.
When it does not snow?
May through October are months without snowfall.
When are the longest days?
June has the longest days of the year, with an average of 15h and 48min of daylight.
What is the least humid month?
The least humid month in La Grande, Washington, is July, with an average relative humidity of 70%.
What is the driest month?
The month with the least rainfall is July, when the rain falls for 7 days and typically collects 0.43" (11mm) of precipitation.
What is the month with the highest UV index?
The month with the highest UV index is July, with an average maximum UV index of 5.
What are the warmest months?
August, noted for its average high-temperature of 75°F (23.9°C) and an average low-temperature of 49.5°F (9.7°C), is considered the warmest month.
What month has the most sunshine?
The month with the most sunshine is August, with an average of 10.9h of sunshine.
What are the coldest months?
During the coldest month in La Grande, December, temperatures average a high of 41.2°F (5.1°C) and a low of 31.1°F (-0.5°C).
What is the rainiest month in La Grande?
December is the month with the most rainfall. Rain falls for 18.6 days and accumulates 5.71" (145mm) of precipitation.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 8h and 36min of daylight.
What is the month with the least sunshine?
With an average of 4.1h of sunshine, December has the least sunshine of the year.
Average temperature
La Grande, WA
The warmest month (with the highest average high temperature) is August (75°F).
The month with the lowest average high temperature is December (41.2°F).
The month with the highest average low temperature is August (49.5°F).
The coldest month (with the lowest average low temperature) is December (31.1°F).
Average pressure
La Grande, WA
- Average pressure in January:
30.1"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.02"Hg - Average pressure in April:
30.05"Hg - Average pressure in May:
30.02"Hg - Average pressure in June:
30.02"Hg
- Average pressure in July:
30.03"Hg - Average pressure in August:
30"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.05"Hg - Average pressure in December:
30.09"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed
La Grande, WA
- Average wind speed in January:
5mph - Average wind speed in February:
4.7mph - Average wind speed in March:
4.8mph - Average wind speed in April:
4.3mph - Average wind speed in May:
3.9mph - Average wind speed in June:
3.9mph
- Average wind speed in July:
3.8mph - Average wind speed in August:
3.6mph - Average wind speed in September:
3.8mph - Average wind speed in October:
4.2mph - Average wind speed in November:
4.8mph - Average wind speed in December:
4.8mph
The windiest month (with the highest average wind speed) is January (5mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).
Average humidity
La Grande, WA
The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is July (70%).
Average rainfall
La Grande, WA
- Average rainfall in January:
5.63" - Average rainfall in February:
3.78" - Average rainfall in March:
4.06" - Average rainfall in April:
3.03" - Average rainfall in May:
2.24" - Average rainfall in June:
1.57"
- Average rainfall in July:
0.43" - Average rainfall in August:
0.59" - Average rainfall in September:
1.93" - Average rainfall in October:
4.25" - Average rainfall in November:
4.61" - Average rainfall in December:
5.71"
The wettest month (with the highest rainfall) is December (5.71").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days
La Grande, WA
- Average rainfall days in January:
18.3 days - Average rainfall days in February:
16.8 days - Average rainfall days in March:
20.2 days - Average rainfall days in April:
19.4 days - Average rainfall days in May:
14.3 days - Average rainfall days in June:
13.3 days
- Average rainfall days in July:
7 days - Average rainfall days in August:
6.1 days - Average rainfall days in September:
12.3 days - Average rainfall days in October:
16.4 days - Average rainfall days in November:
19.5 days - Average rainfall days in December:
18.6 days
The month with the highest number of rainy days is March (20.2 days).
The month with the least rainy days is August (6.1 days).
Average snowfall
La Grande, WA
The month with the highest snowfall is February (4.84").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
La Grande, WA
- Average snowfall days in January:
3.3 days - Average snowfall days in February:
6 days - Average snowfall days in March:
4.3 days - Average snowfall days in April:
1.3 days - Average snowfall days in May:
0.2 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:
0 days - Average snowfall days in November:
1.4 days - Average snowfall days in December:
3.8 days
The month with the highest number of snowfall days is February (6 days).
The months with the least snowfall days are June, July, August and October (0 days).
Average daylight / Average sunshine
La Grande, WA
- Average daylight in January:
9h and 0min - Average daylight in February:
10h and 2min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 4min - Average daylight in May:
15h and 1min - Average daylight in June:
15h and 5min
- Average daylight in July:
15h and 2min - Average daylight in August:
14h and 1min - Average daylight in September:
12h and 3min - Average daylight in October:
10h and 5min - Average daylight in November:
9h and 2min - Average daylight in December:
8h and 4min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in January:
4h and 1min - Average sunshine in February:
4h and 2min - Average sunshine in March:
5h and 4min - Average sunshine in April:
7h and 3min - Average sunshine in May:
8h and 5min - Average sunshine in June:
9h and 1min
- Average sunshine in July:
10h and 4min - Average sunshine in August:
10h and 5min - Average sunshine in September:
9h and 1min - Average sunshine in October:
5h and 2min - Average sunshine in November:
4h and 3min - Average sunshine in December:
4h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).
Average sunshine days
La Grande, WA
- Average sunshine days in January:
10.8 days - Average sunshine days in February:
8 days - Average sunshine days in March:
8.4 days - Average sunshine days in April:
8.6 days - Average sunshine days in May:
14.7 days - Average sunshine days in June:
14.8 days
- Average sunshine days in July:
22.3 days - Average sunshine days in August:
22.9 days - Average sunshine days in September:
16.1 days - Average sunshine days in October:
13.3 days - Average sunshine days in November:
9.2 days - Average sunshine days in December:
10.6 days
The month with the most sunshine days is August (22.9 days).
The month with the least sunshine days is February (8 days).
Average UV index
La Grande, WA
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
La Grande, WA
The months with the most cloud cover are January, February, March and December (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility
La Grande, WA
The months with the highest visibility are April, May, June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, November and December (4mi).
La Grande, Washington, USA
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