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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 another cold winter month in River Mills, Maryland, with an average temperature fluctuating between 26.2°F (-3.2°C) and 38.1°F (3.4°C). Temperature readings reach their annual highs in January, averaging 38.1°F (3.4°C) and a minimum average of 26.2°F (-3.2°C). Weather in January »
Weather in February
February, the last month of the winter in River Mills, is also an icy month, with an average temperature ranging between max 42.3°F (5.7°C) and min 28.6°F (-1.9°C). River Mills observes a minor difference in average high-temperatures between January's 38.1°F (3.4°C) and February's 42.3°F (5.7°C). Weather in February »
Weather in March
The first month of the spring, March, is a cool month in River Mills, Maryland, with temperature in the range of an average high of 50.5°F (10.3°C) and an average low of 35.6°F (2°C). March witnesses a subtle temperature ascent, adjusting from an icy 42.3°F (5.7°C) in February to a cool 50.5°F (10.3°C). Weather in March »
Weather in April
April in River Mills, Maryland, is a refreshing spring month, with temperature in the range of an average low of 45.7°F (7.6°C) and an average high of 63.1°F (17.3°C). April's arrival coincides with a rise in the average high-temperature, moving from March's cool 50.5°F (10.3°C) to a refreshing 63.1°F (17.3°C). Weather in April »
Weather in May
May, the last month of the spring in River Mills, is a pleasant month, with temperature in the range of an average high of 72.5°F (22.5°C) and an average low of 55.2°F (12.9°C). May marks a rise in the average high-temperature, moving from April's enjoyable 63.1°F (17.3°C) to an agreeable 72.5°F (22.5°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in River Mills, Maryland, with temperature in the range of an average high of 80.6°F (27°C) and an average low of 63.9°F (17.7°C). As June arrives, River Mills's weather shows a minor increase in high-temperatures, edging from May's pleasant 72.5°F (22.5°C) to a warm 80.6°F (27°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in River Mills, Maryland, with an average temperature varying between 68.7°F (20.4°C) and 85.6°F (29.8°C). In River Mills, temperatures reach their average annual highs in July, measuring 85.6°F (29.8°C) and a minimum average of 68.7°F (20.4°C). In July, the heat index is calculated to be a fiery hot 95°F (35°C). Weather in July »
Weather in August
August, the last month of the summer in River Mills, is another warm month, with an average temperature ranging between min 67.3°F (19.6°C) and max 83.5°F (28.6°C). River Mills greets August with an average high-temperature of a still moderately hot 83.5°F (28.6°C), marking a slight deviation from the preceding month. Weather in August »
Weather in September
September, the first month of the autumn in River Mills, is also a moderately hot month, with an average temperature varying between 76.8°F (24.9°C) and 60.4°F (15.8°C). September's arrival comes with a mild decrease in the average high-temperature, moving subtly from a moderately hot 83.5°F (28.6°C) in August to a still warm 76.8°F (24.9°C). Weather in September »
Weather in October
October, the same as September, is another refreshing autumn month in River Mills, Maryland, with an average temperature ranging between max 65.1°F (18.4°C) and min 50.2°F (10.1°C). In River Mills, the beginning of October is marked by a lowered average high-temperature, shifting from September's warm 76.8°F (24.9°C) to an enjoyable 65.1°F (18.4°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a fresh month in River Mills, Maryland, with an average temperature fluctuating between 53.1°F (11.7°C) and 39°F (3.9°C). The arrival of November corresponds with a reduction in the average high-temperature, down from October's comfortable 65.1°F (18.4°C) to a fresh 53.1°F (11.7°C). Weather in November »
Weather in December
The first month of the winter, December, is still a chilly month in River Mills, Maryland, with temperature in the range of an average low of 32.9°F (0.5°C) and an average high of 44.1°F (6.7°C). The move into December indicates a slight reduction in the average high-temperature, down from November's fresh 53.1°F (11.7°C) to a chilly 44.1°F (6.7°C). Weather in December »
Updated: Jul 3, 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 are the coldest months?
With its average high temperature of 38.1°F (3.4°C) and a low of 26.2°F (-3.2°C), January is regarded as the coldest month.
What is the driest month?
January is the month with the least rainfall in River Mills. Rain falls for 9.7 days and accumulates 2.05" (52mm) of precipitation.
How much does it rain?
In River Mills, during the entire year, the rain falls for 165.5 days and collects up to 31.65" (804mm) of precipitation.
When does it snow?
Months with snowfall are January through April, November and December.
What is the snowiest month?
The month with the most snowfall is January, when snow falls for 4.9 days and typically aggregates up to 2.4" (61mm) of snow.
How many days does it snow?
Throughout the year, in River Mills, there are 16.6 snowfall days, and 7.8" (198mm) of snow is accumulated.
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 month with the least sunshine?
The month with the least sunshine is February, with an average of 5h of sunshine.
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 are the most humid months?
The months with the highest humidity are May and October, with an average relative humidity of 77%.
When it does not snow?
In River Mills, snow does not fall in May through October.
When is the highest UV index?
The months with the highest UV index are May through August, with an average maximum UV index of 6.
When are the longest days?
June has the longest days of the year in River Mills, with an average of 14h and 54min of daylight.
What part of the year is the hottest?
With its average high temperature of 85.6°F (29.8°C) and a low of 68.7°F (20.4°C), July is regarded as the warmest month.
What is the least humid month?
The least humid month is July, with an average relative humidity of 71%.
What month has the most sunshine?
July has the most sunshine of the year, with an average of 10.8h of sunshine.
What is the rainiest month?
August is the month with the most rainfall in River Mills. Rain falls for 15.9 days and accumulates 3.74" (95mm) of precipitation.
What is the month with the shortest days in River Mills?
The month with the shortest days is December, with an average of 9h and 30min of daylight.
Average temperature
River Mills, MD
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (38.1°F).
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).
Average pressure
River Mills, MD
- Average pressure in January:
30.1"Hg - Average pressure in February:
30.07"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:
29.94"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.05"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 (29.94"Hg).
Average wind speed
River Mills, MD
- Average wind speed in January:
8.6mph - Average wind speed in February:
8.6mph - Average wind speed in March:
8.8mph - Average wind speed in April:
8.5mph - Average wind speed in May:
6.9mph - Average wind speed in June:
6.3mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.4mph - Average wind speed in September:
6.2mph - Average wind speed in October:
7.3mph - Average wind speed in November:
7.6mph - Average wind speed in December:
8mph
The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity
River Mills, MD
The months with the highest relative humidity are May and October (77%).
The month with the lowest relative humidity is July (71%).
Average rainfall
River Mills, MD
- Average rainfall in January:
2.05" - Average rainfall in February:
2.24" - Average rainfall in March:
2.48" - Average rainfall in April:
2.48" - Average rainfall in May:
3.11" - Average rainfall in June:
2.52"
- Average rainfall in July:
3.19" - Average rainfall in August:
3.74" - Average rainfall in September:
2.17" - Average rainfall in October:
2.64" - Average rainfall in November:
2.44" - Average rainfall in December:
2.6"
The wettest month (with the highest rainfall) is August (3.74").
The driest month (with the least rainfall) is January (2.05").
Average rainfall days
River Mills, MD
- Average rainfall days in January:
9.7 days - Average rainfall days in February:
10.3 days - Average rainfall days in March:
13.6 days - Average rainfall days in April:
15.6 days - Average rainfall days in May:
18.2 days - Average rainfall days in June:
15.9 days
- Average rainfall days in July:
17.7 days - Average rainfall days in August:
15.9 days - Average rainfall days in September:
13.1 days - Average rainfall days in October:
13.5 days - Average rainfall days in November:
10.2 days - Average rainfall days in December:
11.8 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (9.7 days).
Average snowfall
River Mills, MD
The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
River Mills, MD
- Average snowfall days in January:
4.9 days - Average snowfall days in February:
4.7 days - Average snowfall days in March:
3.3 days - Average snowfall days in April:
0.3 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:
0.5 days - Average snowfall days in December:
2.9 days
The month with the highest number of snowfall days is January (4.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
River Mills, MD
- 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 0min - Average sunshine in March:
6h and 5min - Average sunshine in April:
8h and 5min - Average sunshine in May:
8h and 5min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 5min - Average sunshine in August:
10h and 2min - Average sunshine in September:
9h and 1min - 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 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days
River Mills, MD
- Average sunshine days in January:
16.9 days - Average sunshine days in February:
14.3 days - Average sunshine days in March:
13.8 days - Average sunshine days in April:
12.5 days - Average sunshine days in May:
10.4 days - Average sunshine days in June:
12.8 days
- Average sunshine days in July:
11.8 days - Average sunshine days in August:
13 days - Average sunshine days in September:
14.5 days - Average sunshine days in October:
15.2 days - Average sunshine days in November:
18.5 days - Average sunshine days in December:
16.2 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.4 days).
Average UV index
River Mills, MD
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
River Mills, MD
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility
River Mills, MD
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
River Mills, Maryland, USA
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