Climate and monthly weather forecast
Chillum, MD

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Weather in January

January, like December, in Chillum, Maryland, is another cold winter month, with an average temperature ranging between min 27.1°F (-2.7°C) and max 39.7°F (4.3°C). The coldest month is January, with an average high-temperature of 39.7°F (4.3°C) and an average low-temperature of 27.1°F (-2.7°C). Weather in January »

Weather in February

February, the last month of the winter in Chillum, is a frosty month, with an average temperature fluctuating between 29.8°F (-1.2°C) and 43.9°F (6.6°C). At the start of February, Chillum's average high-temperature reaches a frosty 43.9°F (6.6°C), subtly different from the preceding month. Weather in February »

Weather in March

March, the first month of the spring in Chillum, is a fresh month, with an average temperature ranging between max 52.3°F (11.3°C) and min 37°F (2.8°C). Chillum's weather in March presents a minor rise in the average high-temperature, moving from a chilly 43.9°F (6.6°C) in February to a cool 52.3°F (11.3°C). Weather in March »

Weather in April

April in Chillum, Maryland, is a refreshing spring month, with an average temperature varying between 64.9°F (18.3°C) and 46.8°F (8.2°C). April's onset witnesses a shift in the average high-temperature, moving from a fresh 52.3°F (11.3°C) in March to an enjoyable 64.9°F (18.3°C). Weather in April »

Weather in May

May, the last month of the spring in Chillum, is a warm month, with an average temperature fluctuating between 74.3°F (23.5°C) and 56.5°F (13.6°C). Chillum's May weather brings a rise in high-temperatures, moving from a comfortable 64.9°F (18.3°C) in April to a moderately hot 74.3°F (23.5°C). Weather in May »

Weather in June

June, the first month of the summer in Chillum, is also a moderately hot month, with temperature in the range of an average high of 82.2°F (27.9°C) and an average low of 64.4°F (18°C). Chillum observes a slight uplift in the average high-temperature with the onset of June, adjusting from May's moderately hot 74.3°F (23.5°C) to a still warm 82.2°F (27.9°C). Weather in June »

Weather in July

July is a hot summer month in Chillum, Maryland, with an average temperature fluctuating between 87.4°F (30.8°C) and 69.6°F (20.9°C). Chillum's warmest month, July, generally records average temperatures ranging from a high of 87.4°F (30.8°C) to a low of 69.6°F (20.9°C). For most parts of July, the heat index is evaluated at a torrid 98.6°F (37°C). Weather in July »

Weather in August

August, the last month of the summer in Chillum, is another warm month, with an average temperature ranging between max 85.6°F (29.8°C) and min 68.2°F (20.1°C). August registers an average high-temperature of a moderately hot 85.6°F (29.8°C), slightly varied from July's 87.4°F (30.8°C). Weather in August »

Weather in September

September, the first month of the autumn in Chillum, is also a moderately hot month, with an average temperature ranging between max 78.4°F (25.8°C) and min 61.7°F (16.5°C). September reveals a small adjustment in temperature, transitioning from an average high of a moderately hot 85.6°F (29.8°C) in August to a still warm 78.4°F (25.8°C). Weather in September »

Weather in October

October, like September, in Chillum, Maryland, is another refreshing autumn month, with an average temperature fluctuating between 66.4°F (19.1°C) and 50.9°F (10.5°C). The average high-temperature decreases in October, shifting from a moderately hot 78.4°F (25.8°C) in September to a comfortable 66.4°F (19.1°C). Weather in October »

Weather in November

The last month of the autumn, November, is another cool month in Chillum, Maryland, with an average temperature ranging between min 39.4°F (4.1°C) and max 53.6°F (12°C). The onset of November is marked by a decrease in temperature, transitioning from a refreshing 66.4°F (19.1°C) in October to a fresh 53.6°F (12°C). Weather in November »

Weather in December

The first month of the winter, December, is still a chilly month in Chillum, Maryland, with an average temperature varying between 45.3°F (7.4°C) and 33.3°F (0.7°C). The average high-temperature shows a slight dip in December, from November's fresh 53.6°F (12°C) to a chilly 45.3°F (7.4°C). Weather in December »
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Frequently asked questions

What time of the year is the coldest in Chillum?

Chillum reaches its average lowest temperatures in January, measuring 39.7°F (4.3°C) at the peak and 27.1°F (-2.7°C) at the lowest.

What is the driest month in Chillum?

January is the month with the least rainfall. Rain falls for 8.8 days and accumulates 1.89" (48mm) of precipitation.

How much does it rain in Chillum?

In Chillum, during the entire year, the rain falls for 154.8 days and collects up to 30.28" (769mm) of precipitation.

When does it snow in Chillum?

January through April, November and December are months with snowfall in Chillum.

When does it snow the most in Chillum?

The month with the most snowfall is January, when snow falls for 4.6 days and typically aggregates up to 2.87" (73mm) of snow.

How much does it snow in Chillum?

In Chillum, during the entire year, snow falls for 15 days and aggregates up to 9.17" (233mm) of snow.

When is the lowest UV index in Chillum?

The months with the lowest UV index in Chillum, Maryland, are January, November and December, with an average maximum UV index of 2.

What is the month with the least sunshine in Chillum?

With an average of 4.9h of sunshine, February has the least sunshine of the year.

When is Daylight Saving Time (DST) in Chillum?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Chillum, 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 most humid month in Chillum?

May, October and December, with an average relative humidity of 75%, are most humid months in Chillum, Maryland.

When it does not snow in Chillum?

May through October are months without snowfall in Chillum, Maryland.

When is the highest UV index in Chillum?

The months with the highest UV index in Chillum are May through August, with an average maximum UV index of 6.

When are the longest days in Chillum?

With an average of 14h and 54min of daylight, June has the longest days of the year in Chillum, Maryland.

What are the warmest months in Chillum?

July, noted for its average high-temperature of 87.4°F (30.8°C) and an average low-temperature of 69.6°F (20.9°C), is considered the warmest month in Chillum, Maryland.

What is the least humid month in Chillum?

The least humid month is July, with an average relative humidity of 69%.

What month has the most sunshine in Chillum?

The month with the most sunshine in Chillum, Maryland, is July, with an average of 10.6h of sunshine.

What is the rainiest month in Chillum?

August is the month with the most rainfall. Rain falls for 16.3 days and accumulates 3.86" (98mm) of precipitation.

What is the month with the shortest days in Chillum?

With an average of 9h and 30min of daylight, December has the shortest days of the year in Chillum, Maryland.

Average temperature
Chillum, MD

Average temperature - Chillum, MD

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (39.7°F).

The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).

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Average pressure
Chillum, MD

Average pressure - Chillum, MD

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed
Chillum, MD

Average wind speed - Chillum, MD

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity
Chillum, MD

Average humidity - Chillum, MD

The months with the highest relative humidity are May, October and December (75%).
The month with the lowest relative humidity is July (69%).

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Average rainfall
Chillum, MD

Average rainfall - Chillum, MD

The wettest month (with the highest rainfall) is August (3.86").
The driest month (with the least rainfall) is January (1.89").

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Average rainfall days
Chillum, MD

Average rainfall days - Chillum, MD

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is November (8.5 days).

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Average snowfall
Chillum, MD

Average snowfall - Chillum, MD

The month with the highest snowfall is January (2.87").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days
Chillum, MD

Average snowfall days - Chillum, MD

The month with the highest number of snowfall days is January (4.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight / Average sunshine
Chillum, MD

Average daylight / Average sunshine - Chillum, MD

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).

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

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Average sunshine days
Chillum, MD

Average sunshine days - Chillum, MD

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (12 days).

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Average UV index
Chillum, MD

Average UV index - Chillum, 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).

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Average visibility
Chillum, MD

Average visibility - Chillum, 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).

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Chillum, Maryland, USA

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