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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, in Grimes, Virginia, is another cold winter month, with an average temperature varying between 23.5°F (-4.7°C) and 37.9°F (3.3°C). The coldest time of the year is January, with temperatures averaging a high of 37.9°F (3.3°C) and a low of 23.5°F (-4.7°C). Weather in January »
Weather in February
February, the last month of the winter in Grimes, is also a wintry month, with temperature in the range of an average high of 42.4°F (5.8°C) and an average low of 26.2°F (-3.2°C). The transition from January to February sees an average high-temperature of a still cold 42.4°F (5.8°C), indicating a minor variance from the prior month. Weather in February »
Weather in March
The first month of the spring, March, is a cool month in Grimes, Virginia, with an average temperature fluctuating between 33.6°F (0.9°C) and 51.3°F (10.7°C). Grimes's transition into March sees a mild rise in the average high-temperature, edging from an icy 42.4°F (5.8°C) in February to a cool 51.3°F (10.7°C). Weather in March »
Weather in April
April in Grimes, Virginia, is an enjoyable spring month, with temperature in the range of an average low of 43.3°F (6.3°C) and an average high of 63.3°F (17.4°C). The start of April brings a shift in the average high-temperature, increasing from March's cool 51.3°F (10.7°C) to a comfortable 63.3°F (17.4°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Grimes, Virginia, with an average temperature fluctuating between 52.2°F (11.2°C) and 73°F (22.8°C). The start of May brings a shift in the average high-temperature, increasing from April's comfortable 63.3°F (17.4°C) to a pleasant 73°F (22.8°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Grimes, Virginia, with an average temperature fluctuating between 59.5°F (15.3°C) and 81.1°F (27.3°C). June brings a slight rise in Grimes's average high-temperature, moving from a pleasant 73°F (22.8°C) in May to a warm 81.1°F (27.3°C). Weather in June »
Weather in July
July in Grimes, Virginia, is a tropical summer month, with temperature in the range of an average low of 64°F (17.8°C) and an average high of 86°F (30°C). Grimes registers the highest average temperatures during the month of July, with peaks of 86°F (30°C) and lows of 64°F (17.8°C). For most parts of July, the heat index is appraised at a torrid 96.8°F (36°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Grimes, Virginia, with an average temperature fluctuating between 83.8°F (28.8°C) and 62.2°F (16.8°C). With the transition into August, Grimes notes an average high-temperature of a moderately hot 83.8°F (28.8°C), closely resembling July. Weather in August »
Weather in September
September, the first month of the autumn in Grimes, is still a warm month, with an average temperature fluctuating between 76.5°F (24.7°C) and 56.5°F (13.6°C). September signifies a minor drop in average high-temperature, transitioning from 83.8°F (28.8°C) in August to a still moderately hot 76.5°F (24.7°C). Weather in September »
Weather in October
October, the same as September, is another refreshing autumn month in Grimes, Virginia, with an average temperature varying between 64°F (17.8°C) and 45.9°F (7.7°C). The commencement of October involves a temperature shift, with the average high-temperature dropping from a moderately hot 76.5°F (24.7°C) in September to an enjoyable 64°F (17.8°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a fresh month in Grimes, Virginia, with temperature in the range of an average high of 52.2°F (11.2°C) and an average low of 35.2°F (1.8°C). The arrival of November corresponds with a reduction in the average high-temperature, down from October's refreshing 64°F (17.8°C) to a fresh 52.2°F (11.2°C). Weather in November »
Weather in December
December, the first month of the winter in Grimes, is also a frosty month, with an average temperature varying between 29.7°F (-1.3°C) and 43.2°F (6.2°C). With the onset of December, Grimes experiences a modest temperature adjustment, with the average high-temperature gently receding from a fresh 52.2°F (11.2°C) in November to a frosty 43.2°F (6.2°C). Weather in December »
Updated: Jul 23, 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 coldest month?
The coldest period in Grimes is January, when temperatures fluctuate between an average high of 37.9°F (3.3°C) and a low of 23.5°F (-4.7°C).
What is the driest month?
The month with the least rainfall is January, when the rain falls for 9.9 days and typically collects 1.97" (50mm) of precipitation.
How many days does it rain?
Throughout the year, there are 167.2 rainfall days, and 29.61" (752mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through May, October through December.
How many days does it snow?
Throughout the year, in Grimes, there are 26.2 snowfall days, and 17.83" (453mm) of snow is accumulated.
What is the month with the least sunshine?
January has the least sunshine of the year, with an average of 5.1h of sunshine.
What is the month 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.
When does it snow the most?
February is the month with the most snowfall. Snow falls for 6.8 days and accumulates 4.45" (113mm) 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 EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
What is the wettest month?
May is the month with the most rainfall. Rain falls for 18.6 days and accumulates 3.23" (82mm) of precipitation.
When is the highest UV index?
May through August, with an average maximum UV index of 6, are months with the highest UV index.
When it does not snow?
June through September are months without snowfall.
When are the longest days in Grimes?
With an average of 14h and 54min of daylight, June has the longest days of the year in Grimes.
What is the warmest month?
The warmest temperatures occur during July, when averages reach a peak of 86°F (30°C) and a low of 64°F (17.8°C).
What is the least humid month?
The least humid month is July, with an average relative humidity of 73%.
What month has the most sunshine?
July has the most sunshine of the year, with an average of 10.7h of sunshine.
What is the most humid month?
With an average relative humidity of 79%, October is the most humid month.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 30min of daylight.
Average temperature
Grimes, VA
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (37.9°F).
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).
Average pressure
Grimes, VA
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.95"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
30"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed
Grimes, VA
- Average wind speed in January:
6.8mph - Average wind speed in February:
6.9mph - Average wind speed in March:
7mph - Average wind speed in April:
6.9mph - Average wind speed in May:
5.6mph - Average wind speed in June:
5.1mph
- Average wind speed in July:
4.3mph - Average wind speed in August:
4.2mph - Average wind speed in September:
4.6mph - Average wind speed in October:
5.7mph - Average wind speed in November:
6mph - Average wind speed in December:
6.1mph
The windiest month (with the highest average wind speed) is March (7mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity
Grimes, VA
The month with the highest relative humidity is October (79%).
The month with the lowest relative humidity is July (73%).
Average rainfall
Grimes, VA
- Average rainfall in January:
1.97" - Average rainfall in February:
2.09" - Average rainfall in March:
2.4" - Average rainfall in April:
2.68" - Average rainfall in May:
3.23" - Average rainfall in June:
2.36"
- Average rainfall in July:
2.99" - Average rainfall in August:
3.03" - Average rainfall in September:
2.01" - Average rainfall in October:
2.44" - Average rainfall in November:
2.01" - Average rainfall in December:
2.4"
The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is January (1.97").
Average rainfall days
Grimes, VA
- Average rainfall days in January:
9.9 days - Average rainfall days in February:
10.3 days - Average rainfall days in March:
14.2 days - Average rainfall days in April:
16 days - Average rainfall days in May:
18.6 days - Average rainfall days in June:
16 days
- Average rainfall days in July:
17.8 days - Average rainfall days in August:
17.3 days - Average rainfall days in September:
14 days - Average rainfall days in October:
12.7 days - Average rainfall days in November:
9.4 days - Average rainfall days in December:
11 days
The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is November (9.4 days).
Average snowfall
Grimes, VA
- Average snowfall in January:
4.17" - Average snowfall in February:
4.45" - Average snowfall in March:
3.86" - Average snowfall in April:
0.31" - Average snowfall in May:
0.12" - Average snowfall in June:
0"
The month with the highest snowfall is February (4.45").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Grimes, VA
- Average snowfall days in January:
8.7 days - Average snowfall days in February:
6.8 days - Average snowfall days in March:
4.6 days - Average snowfall days in April:
0.4 days - Average snowfall days in May:
0.1 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:
0.1 days - Average snowfall days in November:
1 days - Average snowfall days in December:
4.5 days
The month with the highest number of snowfall days is January (8.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Grimes, VA
- Average daylight in January:
9h and 5min - 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 2min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 3min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
5h and 1min - Average sunshine in February:
5h and 2min - Average sunshine in March:
6h and 4min - Average sunshine in April:
8h and 5min - Average sunshine in May:
9h and 0min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 4min - Average sunshine in August:
10h and 2min - Average sunshine in September:
8h and 5min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 5min - Average sunshine in December:
5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days
Grimes, VA
- Average sunshine days in January:
15 days - Average sunshine days in February:
13.5 days - Average sunshine days in March:
13.4 days - Average sunshine days in April:
11.8 days - Average sunshine days in May:
10 days - Average sunshine days in June:
11.4 days
- Average sunshine days in July:
11.4 days - Average sunshine days in August:
11.7 days - Average sunshine days in September:
14.4 days - Average sunshine days in October:
15.6 days - Average sunshine days in November:
18.6 days - Average sunshine days in December:
16.7 days
The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is May (10 days).
Average UV index
Grimes, VA
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Grimes, VA
The months with the most cloud cover are February, March and December (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility
Grimes, VA
The months with the highest visibility are February, April, June, July, August, November and December (6mi).
The months with the lowest visibility are January, March, May, September and October (5mi).
Grimes, Virginia, USA
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