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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 a wintry winter month in Bethesda, Maryland, with an average temperature fluctuating between 39.9°F (4.4°C) and 27°F (-2.8°C). January is the month when Bethesda, Maryland, sees the lowest average temperatures, with a high of 39.9°F (4.4°C) and a low of 27°F (-2.8°C). Weather in January »
Weather in February
February, the last month of the winter in Bethesda, is a frosty month, with an average temperature ranging between max 44.1°F (6.7°C) and min 29.7°F (-1.3°C). February's presence records an average high-temperature of a chilly 44.1°F (6.7°C), closely mirroring January's climate. Weather in February »
Weather in March
March, the first month of the spring in Bethesda, is a fresh month, with an average temperature ranging between min 36.9°F (2.7°C) and max 52.7°F (11.5°C). The commencement of March sees a minor shift in the average high-temperature, moving from a frosty 44.1°F (6.7°C) in February to a fresh 52.7°F (11.5°C). Weather in March »
Weather in April
April in Bethesda, Maryland, is a refreshing spring month, with an average temperature fluctuating between 64.9°F (18.3°C) and 46.4°F (8°C). As Bethesda enters April, the average high-temperature increases from the a fresh 52.7°F (11.5°C) of March to an enjoyable 64.9°F (18.3°C). Weather in April »
Weather in May
May, the last month of the spring in Bethesda, is a warm month, with an average temperature varying between 74.5°F (23.6°C) and 56.3°F (13.5°C). With the onset of May, Bethesda experiences a temperature shift, with the average high-temperature moving from a refreshing 64.9°F (18.3°C) in April to a moderately hot 74.5°F (23.6°C). Weather in May »
Weather in June
The first month of the summer, June, is also a moderately hot month in Bethesda, Maryland, with an average temperature ranging between min 64.2°F (17.9°C) and max 82.8°F (28.2°C). The arrival of June witnesses a small shift in the average high-temperature, moving from a moderately hot 74.5°F (23.6°C) in May to a still warm 82.8°F (28.2°C). Weather in June »
Weather in July
July is a hot summer month in Bethesda, Maryland, with an average temperature ranging between min 69.4°F (20.8°C) and max 87.8°F (31°C). The warmest time of the year is July, with temperatures averaging a high of 87.8°F (31°C) and a low of 69.4°F (20.8°C). During July, the heat index is computed to be a sweltering 98.6°F (37°C). Weather in July »
Weather in August
August, the last month of the summer in Bethesda, is also a moderately hot month, with an average temperature ranging between min 68°F (20°C) and max 85.8°F (29.9°C). With the onset of August, the average high-temperature stands at a warm 85.8°F (29.9°C), closely aligned with July's 87.8°F (31°C). Weather in August »
Weather in September
September, the first month of the autumn in Bethesda, is still a warm month, with temperature in the range of an average low of 61.5°F (16.4°C) and an average high of 78.4°F (25.8°C). The transition into September involves a small decrease in the average high-temperature, dipping slightly from 85.8°F (29.9°C) in August to a still warm 78.4°F (25.8°C). Weather in September »
Weather in October
October, like September, in Bethesda, Maryland, is another comfortable autumn month, with an average temperature ranging between max 66.2°F (19°C) and min 50.7°F (10.4°C). With the onset of October, Bethesda experiences a modest temperature adjustment, with the average high-temperature receding from a moderately hot 78.4°F (25.8°C) in September to an enjoyable 66.2°F (19°C). Weather in October »
Weather in November
The last month of the autumn, November, is another cool month in Bethesda, Maryland, with an average temperature fluctuating between 53.8°F (12.1°C) and 39°F (3.9°C). Bethesda's November weather comes with a decrease in average high-temperatures, moving from a refreshing 66.2°F (19°C) in October to a cool 53.8°F (12.1°C). Weather in November »
Weather in December
The first month of the winter, December, is also a frosty month in Bethesda, Maryland, with an average temperature ranging between min 33.1°F (0.6°C) and max 45.3°F (7.4°C). The start of December signals a gentle decrease in the average high-temperature, transitioning from a cool 53.8°F (12.1°C) in November to a chilly 45.3°F (7.4°C). Weather in December »
[Resources]Frequently asked questions
What month is the coldest in Bethesda?
With average high and low temperatures of 39.9°F (4.4°C) and 27°F (-2.8°C) respectively, January is Bethesda's coldest month.
What is the driest month in Bethesda?
The month with the least rainfall in Bethesda, Maryland, is January, when the rain falls for 8.7 days and typically collects 1.69" (43mm) of precipitation.
How much does it rain in Bethesda?
In Bethesda, Maryland, during the entire year, the rain falls for 150.3 days and collects up to 28.66" (728mm) of precipitation.
When does it snow in Bethesda?
January through April, November and December are months with snowfall.
What is the snowiest month in Bethesda?
The month with the most snowfall in Bethesda is January, when snow falls for 4.3 days and typically aggregates up to 2.6" (66mm) of snow.
How much does it snow in Bethesda?
In Bethesda, during the entire year, snow falls for 13.7 days and aggregates up to 8.39" (213mm) of snow.
What are the months with the least sunshine in Bethesda?
The months with the least sunshine are January, February and December, with an average of 5h of sunshine.
When is the lowest UV index in Bethesda?
The months with the lowest UV index in Bethesda, Maryland, are January, November and December, with an average maximum UV index of 2.
When is Daylight Saving Time (DST) in Bethesda?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Bethesda, Maryland, 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.
When it does not snow in Bethesda?
May through October are months without snowfall.
When is the highest UV index in Bethesda?
The months with the highest UV index are May through August, with an average maximum UV index of 6.
When are the longest days in Bethesda?
The month with the longest days in Bethesda, Maryland, is June, with an average of 14h and 54min of daylight.
What part of the year is the hottest in Bethesda?
July, with an average high of 87.8°F (31°C) and a low of 69.4°F (20.8°C), signifies the warmest month of the year.
What is the least humid month in Bethesda?
July is the least humid month in Bethesda, Maryland, with an average relative humidity of 69%.
What month has the most sunshine in Bethesda?
The month with the most sunshine is July, with an average of 10.7h of sunshine.
What is the rainiest month in Bethesda?
August is the month with the most rainfall in Bethesda, Maryland. Rain falls for 16.7 days and accumulates 3.82" (97mm) of precipitation.
What is the most humid month in Bethesda?
The most humid month in Bethesda is December, with an average relative humidity of 76%.
What is the month with the shortest days in Bethesda?
The month with the shortest days is December, with an average of 9h and 30min of daylight.
Average temperature
Bethesda, MD
The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (39.9°F).
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure
Bethesda, MD
- Average pressure in January:
30.11"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:
29.95"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 (29.95"Hg).
Average wind speed
Bethesda, MD
- Average wind speed in January:
7.6mph - Average wind speed in February:
7.8mph - Average wind speed in March:
8mph - Average wind speed in April:
7.8mph - Average wind speed in May:
6.5mph - Average wind speed in June:
5.9mph
- Average wind speed in July:
5.2mph - Average wind speed in August:
5.1mph - Average wind speed in September:
5.7mph - Average wind speed in October:
6.6mph - Average wind speed in November:
6.9mph - Average wind speed in December:
7mph
The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity
Bethesda, MD
The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is July (69%).
Average rainfall
Bethesda, MD
- Average rainfall in January:
1.69" - Average rainfall in February:
1.89" - Average rainfall in March:
2.09" - Average rainfall in April:
2.36" - Average rainfall in May:
2.99" - Average rainfall in June:
2.52"
- Average rainfall in July:
2.95" - Average rainfall in August:
3.82" - Average rainfall in September:
2.05" - Average rainfall in October:
2.13" - Average rainfall in November:
2.01" - Average rainfall in December:
2.17"
The wettest month (with the highest rainfall) is August (3.82").
The driest month (with the least rainfall) is January (1.69").
Average rainfall days
Bethesda, MD
- Average rainfall days in January:
8.7 days - Average rainfall days in February:
9.3 days - Average rainfall days in March:
12.6 days - Average rainfall days in April:
14.6 days - Average rainfall days in May:
17.1 days - Average rainfall days in June:
13.8 days
- Average rainfall days in July:
16.1 days - Average rainfall days in August:
16.7 days - Average rainfall days in September:
12.5 days - Average rainfall days in October:
10.5 days - Average rainfall days in November:
8.5 days - Average rainfall days in December:
9.9 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is November (8.5 days).
Average snowfall
Bethesda, MD
The month with the highest snowfall is January (2.6").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Bethesda, MD
- Average snowfall days in January:
4.3 days - Average snowfall days in February:
4.4 days - Average snowfall days in March:
2.6 days - Average snowfall days in April:
0.1 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:
0.3 days - Average snowfall days in December:
2 days
The month with the highest number of snowfall days is February (4.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Bethesda, MD
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - 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 1min - 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 0min - 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 1min
- Average sunshine in July:
10h and 4min - Average sunshine in August:
10h and 1min - 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 0min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 0min).
Average sunshine days
Bethesda, MD
- Average sunshine days in January:
18.1 days - Average sunshine days in February:
15.5 days - Average sunshine days in March:
15.8 days - Average sunshine days in April:
13.8 days - Average sunshine days in May:
12.3 days - Average sunshine days in June:
14.3 days
- Average sunshine days in July:
12.3 days - Average sunshine days in August:
12.7 days - Average sunshine days in September:
15.8 days - Average sunshine days in October:
18.5 days - Average sunshine days in November:
20.4 days - Average sunshine days in December:
19.1 days
The month with the most sunshine days is November (20.4 days).
The months with the least sunshine days are May and July (12.3 days).
Average UV index
Bethesda, 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, November and December (UV index 2).
Average cloud cover
Bethesda, MD
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility
Bethesda, MD
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Bethesda, Maryland, USA
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