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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 Richmond Highlands, Washington, is a frosty winter month, with an average temperature varying between 37°F (2.8°C) and 45.1°F (7.3°C). January's presence records an average high-temperature of a still frosty 45.1°F (7.3°C), closely mirroring December's climate. Weather in January »
Weather in February
The last month of the winter, February, is another chilly month in Richmond Highlands, Washington, with temperature in the range of an average low of 36°F (2.2°C) and an average high of 46°F (7.8°C). The advent of February reveals an average high-temperature of a still frosty 46°F (7.8°C), showing minimal difference from the prior month. Weather in February »
Weather in March
The first month of the spring, March, is a fresh month in Richmond Highlands, Washington, with temperature in the range of an average low of 38.3°F (3.5°C) and an average high of 50°F (10°C). As Richmond Highlands transitions into March, the average high-temperature stands at a fresh 50°F (10°C), offering little variation from the preceding month. Weather in March »
Weather in April
April, the same as March, is a cool spring month in Richmond Highlands, Washington, with an average temperature varying between 41.5°F (5.3°C) and 55.2°F (12.9°C). Richmond Highlands's shift into April is marked by a subtle change to a still cool 55.2°F (12.9°C) from March's 50°F (10°C) in temperature. Weather in April »
Weather in May
The last month of the spring, May, is an enjoyable month in Richmond Highlands, Washington, with an average temperature ranging between min 45.5°F (7.5°C) and max 62.8°F (17.1°C). As May sets, the average high-temperature shows a slight increase, moving up from a cool 55.2°F (12.9°C) in April to a refreshing 62.8°F (17.1°C). Weather in May »
Weather in June
The first month of the summer, June, is still a comfortable month in Richmond Highlands, Washington, with temperature in the range of an average low of 49.3°F (9.6°C) and an average high of 67.3°F (19.6°C). The start of June sees the average high-temperature at a still comfortable 67.3°F (19.6°C), showing little difference from May's 62.8°F (17.1°C). Weather in June »
Weather in July
July is a pleasant summer month in Richmond Highlands, Washington, with an average temperature varying between 52.9°F (11.6°C) and 72.9°F (22.7°C). The embrace of July brings a minor uplift in the average high-temperature, shifting from an enjoyable 67.3°F (19.6°C) in June to an agreeable 72.9°F (22.7°C). Weather in July »
Weather in August
August, the last month of the summer in Richmond Highlands, is a moderately hot month, with an average temperature ranging between max 73.9°F (23.3°C) and min 54.1°F (12.3°C). In Richmond Highlands, August is the month with the highest recorded average temperatures, measuring a high of 73.9°F (23.3°C) and a low of 54.1°F (12.3°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a comfortable month in Richmond Highlands, Washington, with an average temperature fluctuating between 67.6°F (19.8°C) and 51.6°F (10.9°C). September ushers in a minute temperature change, with average high-temperatures reducing from August's moderately hot 73.9°F (23.3°C) to a refreshing 67.6°F (19.8°C). Weather in September »
Weather in October
October, like September, is another mild autumn month in Richmond Highlands, Washington, with an average temperature ranging between min 45.9°F (7.7°C) and max 57.9°F (14.4°C). A moderate decline in the average high-temperature is seen during October, decreasing from an enjoyable 67.6°F (19.8°C) in September to a moderate 57.9°F (14.4°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Richmond Highlands, Washington, with temperature in the range of an average low of 40.5°F (4.7°C) and an average high of 48.4°F (9.1°C). Start of November brings a shift in the average high-temperature, falling from October's moderate 57.9°F (14.4°C) to a frosty 48.4°F (9.1°C). Weather in November »
Weather in December
The first month of the winter, December, is also a frosty month in Richmond Highlands, Washington, with an average temperature varying between 43.3°F (6.3°C) and 35.8°F (2.1°C). Richmond Highlands's coldest month, December, generally records average temperatures ranging from a high of 43.3°F (6.3°C) to a low of 35.8°F (2.1°C). Weather in December »
Updated: Feb 14, 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 in Richmond Highlands?
The months with the highest humidity in Richmond Highlands, Washington, are January, February and December, with an average relative humidity of 84%.
How many days does it rain in Richmond Highlands?
Throughout the year, in Richmond Highlands, Washington, there are 173 rainfall days, and 25" (635mm) of precipitation is accumulated.
When does it snow in Richmond Highlands?
Months with snowfall are January through April, November and December.
How much does it snow in Richmond Highlands?
In Richmond Highlands, during the entire year, snow falls for 12.5 days and aggregates up to 6.65" (169mm) of snow.
What is the month with the least sunshine in Richmond Highlands?
The month with the least sunshine in Richmond Highlands is January, with an average of 4.5h of sunshine.
When is the lowest UV index in Richmond Highlands?
The months with the lowest UV index in Richmond Highlands are January, February, November and December, with an average maximum UV index of 2.
What is the snowiest month in Richmond Highlands?
The month with the most snowfall in Richmond Highlands, Washington, is February, when snow falls for 4.7 days and typically aggregates up to 3.58" (91mm) of snow.
When is Daylight Saving Time (DST) in Richmond Highlands?
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 Richmond Highlands?
In Richmond Highlands, snow does not fall in May through October.
When are the longest days in Richmond Highlands?
With an average of 15h and 54min of daylight, June has the longest days of the year in Richmond Highlands.
What is the month with the highest UV index in Richmond Highlands?
The months with the highest UV index are June and July, with an average maximum UV index of 5.
What is the least humid month in Richmond Highlands?
With an average relative humidity of 72%, July is the least humid month.
What is the driest month in Richmond Highlands?
July is the month with the least rainfall in Richmond Highlands, Washington. Rain falls for 7.7 days and accumulates 0.39" (10mm) of precipitation.
What time of the year is the hottest in Richmond Highlands?
August is the month when Richmond Highlands sees the average highest temperatures, with a high of 73.9°F (23.3°C) and a low of 54.1°F (12.3°C).
What month has the most sunshine in Richmond Highlands?
The month with the most sunshine is August, with an average of 10.8h of sunshine.
What is the coldest month in Richmond Highlands?
Temperature readings in Richmond Highlands, Washington, reach their annual highs in December, averaging 43.3°F (6.3°C) and a minimum average of 35.8°F (2.1°C).
What is the rainiest month in Richmond Highlands?
December is the month with the most rainfall in Richmond Highlands, Washington. Rain falls for 17.6 days and accumulates 3.5" (89mm) of precipitation.
What is the month with the shortest days in Richmond Highlands?
The month with the shortest days in Richmond Highlands is December, with an average of 8h and 30min of daylight.
Average temperature
Richmond Highlands, WA
The warmest month (with the highest average high temperature) is August (73.9°F).
The month with the lowest average high temperature is December (43.3°F).
The month with the highest average low temperature is August (54.1°F).
The coldest month (with the lowest average low temperature) is December (35.8°F).
Average pressure
Richmond Highlands, WA
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.01"Hg - Average pressure in April:
30.04"Hg - Average pressure in May:
30.02"Hg - Average pressure in June:
30.02"Hg
- Average pressure in July:
30.04"Hg - Average pressure in August:
30.01"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.04"Hg - Average pressure in December:
30.08"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).
Average wind speed
Richmond Highlands, WA
- Average wind speed in January:
5.8mph - Average wind speed in February:
5.4mph - Average wind speed in March:
5.8mph - Average wind speed in April:
5.1mph - Average wind speed in May:
4.2mph - Average wind speed in June:
3.9mph
- Average wind speed in July:
3.6mph - Average wind speed in August:
3.5mph - Average wind speed in September:
4mph - Average wind speed in October:
4.9mph - Average wind speed in November:
5.9mph - Average wind speed in December:
5.5mph
The windiest month (with the highest average wind speed) is November (5.9mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity
Richmond Highlands, WA
The months with the highest relative humidity are January, February and December (84%).
The month with the lowest relative humidity is July (72%).
Average rainfall
Richmond Highlands, WA
- Average rainfall in January:
3.31" - Average rainfall in February:
2.64" - Average rainfall in March:
2.64" - Average rainfall in April:
2.01" - Average rainfall in May:
1.57" - Average rainfall in June:
1.06"
The wettest month (with the highest rainfall) is December (3.5").
The driest month (with the least rainfall) is July (0.39").
Average rainfall days
Richmond Highlands, WA
- Average rainfall days in January:
17.4 days - Average rainfall days in February:
15.1 days - Average rainfall days in March:
19.8 days - Average rainfall days in April:
17.3 days - Average rainfall days in May:
13.3 days - Average rainfall days in June:
12.2 days
- Average rainfall days in July:
7.7 days - Average rainfall days in August:
6.8 days - Average rainfall days in September:
11.9 days - Average rainfall days in October:
15.5 days - Average rainfall days in November:
18.4 days - Average rainfall days in December:
17.6 days
The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (6.8 days).
Average snowfall
Richmond Highlands, WA
The month with the highest snowfall is February (3.58").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Richmond Highlands, WA
- Average snowfall days in January:
2.3 days - Average snowfall days in February:
4.7 days - Average snowfall days in March:
2.2 days - Average snowfall days in April:
0.4 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 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.7 days - Average snowfall days in December:
2.2 days
The month with the highest number of snowfall days is February (4.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Richmond Highlands, WA
- Average daylight in January:
8h and 5min - Average daylight in February:
10h and 2min - Average daylight in March:
11h and 5min - 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 3min - 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 3min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in January:
4h and 3min - Average sunshine in February:
4h and 4min - Average sunshine in March:
6h and 3min - Average sunshine in April:
8h and 2min - Average sunshine in May:
9h and 3min - Average sunshine in June:
9h and 4min
- Average sunshine in July:
10h and 3min - Average sunshine in August:
10h and 5min - Average sunshine in September:
9h and 3min - Average sunshine in October:
5h and 4min - Average sunshine in November:
4h and 5min - Average sunshine in December:
4h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days
Richmond Highlands, WA
- Average sunshine days in January:
10.5 days - Average sunshine days in February:
9.8 days - Average sunshine days in March:
9.4 days - Average sunshine days in April:
9.8 days - Average sunshine days in May:
14.6 days - Average sunshine days in June:
14.4 days
- Average sunshine days in July:
21.3 days - Average sunshine days in August:
22.5 days - Average sunshine days in September:
15.9 days - Average sunshine days in October:
13.3 days - Average sunshine days in November:
9.2 days - Average sunshine days in December:
10.8 days
The month with the most sunshine days is August (22.5 days).
The month with the least sunshine days is November (9.2 days).
Average UV index
Richmond Highlands, WA
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Richmond Highlands, WA
The months with the most cloud cover are January and December (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility
Richmond Highlands, 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).
Richmond Highlands, Washington, USA
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