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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, is an icy winter month in Grandview, Washington, with an average temperature fluctuating between 37°F (2.8°C) and 27°F (-2.8°C). Grandview's weather in January displays an average high-temperature of a still wintry 37°F (2.8°C), showing minor disparity from December's 36.5°F (2.5°C). Weather in January »
Weather in February
The last month of the winter, February, is another cold month in Grandview, Washington, with an average temperature ranging between max 42.4°F (5.8°C) and min 30.7°F (-0.7°C). February introduces a minor temperature shift, with average high-temperatures adjusting from January's cold 37°F (2.8°C) to a still wintry 42.4°F (5.8°C). Weather in February »
Weather in March
The first month of the spring, March, is a fresh month in Grandview, Washington, with an average temperature ranging between max 52.3°F (11.3°C) and min 36.5°F (2.5°C). The shift from February to March sees an increase in the average high-temperature, transitioning from an icy 42.4°F (5.8°C) to a cool 52.3°F (11.3°C). Weather in March »
Weather in April
April in Grandview, Washington, is a refreshing spring month, with an average temperature varying between 61.3°F (16.3°C) and 42.1°F (5.6°C). April marks a rise in the average high-temperature, moving from March's cool 52.3°F (11.3°C) to a refreshing 61.3°F (16.3°C). Weather in April »
Weather in May
May, the last month of the spring in Grandview, is a pleasant month, with an average temperature varying between 71.1°F (21.7°C) and 49.5°F (9.7°C). With the transition into May, Grandview experiences an increase in average high-temperatures, moving up from an enjoyable 61.3°F (16.3°C) in April to an agreeable 71.1°F (21.7°C). Weather in May »
Weather in June
June, the first month of the summer in Grandview, is a warm month, with an average temperature varying between 55°F (12.8°C) and 78.3°F (25.7°C). June signifies a subtle uplift in the average high-temperature, adjusting from an agreeable 71.1°F (21.7°C) in May to a moderately hot 78.3°F (25.7°C). Weather in June »
Weather in July
July is a hot summer month in Grandview, Washington, with an average temperature varying between 61.5°F (16.4°C) and 87.8°F (31°C). July, recording an average high temperature of 87.8°F (31°C) and a low temperature of 61.5°F (16.4°C), is Grandview's warmest month. Weather in July »
Weather in August
August, the last month of the summer in Grandview, is another tropical month, with temperature in the range of an average high of 87.1°F (30.6°C) and an average low of 62.2°F (16.8°C). Transitioning into August, Grandview experiences an average high-temperature of a still hot 87.1°F (30.6°C), marking a minor shift from the preceding month. Weather in August »
Weather in September
September, the first month of the autumn in Grandview, is still a warm month, with an average temperature fluctuating between 55.6°F (13.1°C) and 75.9°F (24.4°C). The arrival of September signals a shift in temperature, down from a tropical 87.1°F (30.6°C) in August to a moderately hot 75.9°F (24.4°C). Weather in September »
Weather in October
October, like September, is another refreshing autumn month in Grandview, Washington, with an average temperature ranging between min 45°F (7.2°C) and max 60.3°F (15.7°C). October indicates a noticeable reduction in the average high-temperature, moving down from a moderately hot 75.9°F (24.4°C) in September to a mild 60.3°F (15.7°C). Weather in October »
Weather in November
November, the last month of the autumn in Grandview, is another chilly month, with temperature in the range of an average high of 46.9°F (8.3°C) and an average low of 34.7°F (1.5°C). In November, the average high-temperature goes from a moderate 60.3°F (15.7°C) in October to a frosty 46.9°F (8.3°C). Weather in November »
Weather in December
The first month of the winter, December, is still a cold month in Grandview, Washington, with an average temperature ranging between max 36.5°F (2.5°C) and min 26.2°F (-3.2°C). Grandview, Washington, witnesses the coldest weather in December, with temperatures averaging a high of 36.5°F (2.5°C) and a low of 26.2°F (-3.2°C). Weather in December »
Updated: Jun 28, 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?
January is the most humid month, with an average relative humidity of 82%.
How many days does it rain?
Throughout the year, there are 80.1 rainfall days, and 4.84" (123mm) of precipitation is accumulated.
When does it snow?
January through March, November and December are months with snowfall.
How much does it snow?
In Grandview, Washington, during the entire year, snow falls for 12.4 days and aggregates up to 3.94" (100mm) of snow.
What is the month with the least sunshine?
The month with the least sunshine is January, with an average of 4.9h of sunshine.
What are the months with the lowest UV index?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the snowiest month?
The month with the most snowfall is February, when snow falls for 2.8 days and typically aggregates up to 1.34" (34mm) 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?
In Grandview, Washington, snow does not fall in April through October.
What is the rainiest month?
May is the month with the most rainfall. Rain falls for 9.2 days and accumulates 0.71" (18mm) of precipitation.
When are the longest days?
June has the longest days of the year, with an average of 15h and 42min of daylight.
What are the warmest months?
July, with its high-temperature average of 87.8°F (31°C) and a low-temperature average of 61.5°F (16.4°C), is the warmest month.
What is the least humid month?
With an average relative humidity of 37%, July is the least humid month.
What is the driest month?
July is the month with the least rainfall. Rain falls for 4 days and accumulates 0.2" (5mm) of precipitation.
What are the months with the most sunshine?
The months with the most sunshine are July and August, with an average of 12h of sunshine.
When is the highest UV index?
With an average maximum UV index of 7, July is the month with the highest UV index.
What is the coldest time of year in Grandview?
Grandview's coldest temperatures are experienced in December, with average high temperatures of 36.5°F (2.5°C) and lows of 26.2°F (-3.2°C).
What is the month with the shortest days?
The month with the shortest days in Grandview is December, with an average of 8h and 42min of daylight.
Average temperature
Grandview, WA
The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is December (36.5°F).
The month with the highest average low temperature is August (62.2°F).
The coldest month (with the lowest average low temperature) is December (26.2°F).
Average pressure
Grandview, WA
- Average pressure in January:
30.17"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.01"Hg - Average pressure in April:
30"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.94"Hg - Average pressure in August:
29.92"Hg - Average pressure in September:
29.96"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.15"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is August (29.92"Hg).
Average wind speed
Grandview, WA
- Average wind speed in January:
5.4mph - Average wind speed in February:
6.3mph - Average wind speed in March:
7.6mph - Average wind speed in April:
8.5mph - Average wind speed in May:
7.6mph - Average wind speed in June:
7.8mph
- Average wind speed in July:
6.8mph - Average wind speed in August:
6.6mph - Average wind speed in September:
6.8mph - Average wind speed in October:
6.3mph - Average wind speed in November:
6.2mph - Average wind speed in December:
5.2mph
The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is December (5.2mph).
Average humidity
Grandview, WA
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is July (37%).
Average rainfall
Grandview, WA
- Average rainfall in January:
0.51" - Average rainfall in February:
0.47" - Average rainfall in March:
0.43" - Average rainfall in April:
0.28" - Average rainfall in May:
0.71" - Average rainfall in June:
0.51"
- Average rainfall in July:
0.2" - Average rainfall in August:
0.31" - Average rainfall in September:
0.28" - Average rainfall in October:
0.43" - Average rainfall in November:
0.28" - Average rainfall in December:
0.43"
The wettest month (with the highest rainfall) is May (0.71").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days
Grandview, WA
- Average rainfall days in January:
7.9 days - Average rainfall days in February:
6.5 days - Average rainfall days in March:
8.8 days - Average rainfall days in April:
8.3 days - Average rainfall days in May:
9.2 days - Average rainfall days in June:
5.7 days
- Average rainfall days in July:
4 days - Average rainfall days in August:
4.3 days - Average rainfall days in September:
5 days - Average rainfall days in October:
7.6 days - Average rainfall days in November:
6.5 days - Average rainfall days in December:
6.3 days
The month with the highest number of rainy days is May (9.2 days).
The month with the least rainy days is July (4 days).
Average snowfall
Grandview, WA
The month with the highest snowfall is February (1.34").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Grandview, WA
- Average snowfall days in January:
3.5 days - Average snowfall days in February:
2.8 days - Average snowfall days in March:
1.1 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 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 days - Average snowfall days in December:
3.9 days
The month with the highest number of snowfall days is December (3.9 days).
The months with the least snowfall days are April, May, June, July, August and October (0 days).
Average daylight / Average sunshine
Grandview, WA
- Average daylight in January:
9h and 1min - 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 0min - Average daylight in June:
15h and 4min
- 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 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in January:
4h and 5min - Average sunshine in February:
5h and 3min - Average sunshine in March:
7h and 4min - Average sunshine in April:
10h and 0min - Average sunshine in May:
10h and 5min - Average sunshine in June:
11h and 3min
- Average sunshine in July:
12h and 0min - Average sunshine in August:
12h and 0min - Average sunshine in September:
10h and 5min - Average sunshine in October:
6h and 4min - Average sunshine in November:
6h and 1min - Average sunshine in December:
5h and 2min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days
Grandview, WA
- Average sunshine days in January:
20.1 days - Average sunshine days in February:
18.7 days - Average sunshine days in March:
19.3 days - Average sunshine days in April:
19.5 days - Average sunshine days in May:
19.9 days - Average sunshine days in June:
22 days
- Average sunshine days in July:
25.7 days - Average sunshine days in August:
24.2 days - Average sunshine days in September:
23.1 days - Average sunshine days in October:
22 days - Average sunshine days in November:
20.8 days - Average sunshine days in December:
20.5 days
The month with the most sunshine days is July (25.7 days).
The month with the least sunshine days is February (18.7 days).
Average UV index
Grandview, WA
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Grandview, WA
The month with the most cloud cover is January (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 10).
Average visibility
Grandview, WA
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Grandview, Washington, USA
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