Climate and monthly weather forecast
Chelsea, OK

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Weather in January

January, the same as December, in Chelsea, Oklahoma, is a frosty winter month, with an average temperature ranging between max 45°F (7.2°C) and min 29.7°F (-1.3°C). January is the coldest month, exhibiting average temperatures of 45°F (7.2°C) at the peak and 29.7°F (-1.3°C) at the base. Weather in January »

Weather in February

The last month of the winter, February, is another chilly month in Chelsea, Oklahoma, with an average temperature fluctuating between 48.7°F (9.3°C) and 32.7°F (0.4°C). The commencement of February introduces an average high-temperature of a still chilly 48.7°F (9.3°C), closely mirroring the preceding month. Weather in February »

Weather in March

March, the first month of the spring in Chelsea, is a refreshing month, with an average temperature ranging between max 59.9°F (15.5°C) and min 42.4°F (5.8°C). A rise in the average high-temperature is observed during March, moving from a chilly 48.7°F (9.3°C) in February to a mild 59.9°F (15.5°C). Weather in March »

Weather in April

April is a pleasant spring month in Chelsea, Oklahoma, with an average temperature varying between 49.6°F (9.8°C) and 68.2°F (20.1°C). As Chelsea transitions into April, a marginal rise in the average high-temperature is observed, moving from a mild 59.9°F (15.5°C) in March to a pleasant 68.2°F (20.1°C). Weather in April »

Weather in May

May, the last month of the spring in Chelsea, is a warm month, with an average temperature varying between 75.4°F (24.1°C) and 58.6°F (14.8°C). May sees a marginal temperature increase, moving from a pleasant 68.2°F (20.1°C) in April to a moderately hot 75.4°F (24.1°C). Weather in May »

Weather in June

June, the first month of the summer in Chelsea, is also a moderately hot month, with an average temperature fluctuating between 85.8°F (29.9°C) and 68.5°F (20.3°C). In Chelsea, the onset of June comes with an increased average high-temperature, moving from May's warm 75.4°F (24.1°C) to a still moderately hot 85.8°F (29.9°C). Weather in June »

Weather in July

July is a hot summer month in Chelsea, Oklahoma, with an average temperature varying between 71.4°F (21.9°C) and 90.3°F (32.4°C). In Chelsea, temperatures reach their average annual highs in July, measuring 90.3°F (32.4°C) and a minimum average of 71.4°F (21.9°C). July's heat index is estimated at a scorching 107.6°F (42°C). Weather in July »

Weather in August

August, the last month of the summer in Chelsea, is another hot month, with temperature in the range of an average low of 69.1°F (20.6°C) and an average high of 89.2°F (31.8°C). The transition into August reveals an average high-temperature of a still tropical 89.2°F (31.8°C), mirroring a close resemblance to July. Weather in August »

Weather in September

September, the first month of the autumn in Chelsea, is still a warm month, with an average temperature varying between 82.2°F (27.9°C) and 63.1°F (17.3°C). September reveals a small adjustment in temperature, transitioning from an average high of a hot 89.2°F (31.8°C) in August to a warm 82.2°F (27.9°C). Weather in September »

Weather in October

October, the same as September, in Chelsea, Oklahoma, is another pleasant autumn month, with an average temperature varying between 51.4°F (10.8°C) and 69.4°F (20.8°C). The commencement of October indicates a shift in the average high-temperature, receding from September's moderately hot 82.2°F (27.9°C) to a pleasant 69.4°F (20.8°C). Weather in October »

Weather in November

The last month of the autumn, November, is another mild month in Chelsea, Oklahoma, with an average temperature ranging between min 41°F (5°C) and max 57.6°F (14.2°C). A shift in the average high-temperature occurs in November, reducing from an agreeable 69.4°F (20.8°C) in October to a mild 57.6°F (14.2°C). Weather in November »

Weather in December

The first month of the winter, December, is also a frosty month in Chelsea, Oklahoma, with an average temperature varying between 47.3°F (8.5°C) and 33.3°F (0.7°C). The move into December indicates a reduction in the average high-temperature, down from November's moderate 57.6°F (14.2°C) to a frosty 47.3°F (8.5°C). Weather in December »
Updated: Aug 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

During the coldest month in Chelsea, January, temperatures average a high of 45°F (7.2°C) and a low of 29.7°F (-1.3°C).

How much does it rain?

In Chelsea, during the entire year, the rain falls for 125.4 days and collects up to 23.19" (589mm) of precipitation.

When does it snow?

January through March, November and December are months with snowfall.

How many days does it snow?

Throughout the year, there are 8.5 snowfall days, and 1.93" (49mm) of snow is accumulated.

When is the lowest UV index in Chelsea?

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

When does it snow the most?

The month with the most snowfall is February, when snow falls for 2.6 days and typically aggregates up to 0.79" (20mm) 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 CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.

When it does not snow?

In Chelsea, snow does not fall in April through October.

What is the most humid month?

May is the most humid month in Chelsea, with an average relative humidity of 81%.

What is the rainiest month?

The month with the most rainfall in Chelsea is May, when the rain falls for 14.8 days and typically aggregates up to 4.06" (103mm) of precipitation.

When are the longest days?

The month with the longest days is June, with an average of 14h and 36min of daylight.

What are the months with the highest UV index?

June and July, with an average maximum UV index of 7, are months with the highest UV index.

What is the warmest month?

July, known for its average high temperature of 90.3°F (32.4°C) and an average low temperature of 71.4°F (21.9°C), is the warmest month.

What month has the most sunshine?

With an average of 10.8h of sunshine, July has the most sunshine of the year.

What is the least humid month?

October is the least humid month, with an average relative humidity of 68%.

What is the driest month?

The month with the least rainfall is November, when the rain falls for 6.4 days and typically collects 0.75" (19mm) of precipitation.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 42min of daylight.

What is the month with the least sunshine?

December has the least sunshine of the year, with an average of 5.6h of sunshine.

Average temperature
Chelsea, OK

Average temperature - Chelsea, OK

The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (45°F).

The month with the highest average low temperature is July (71.4°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).

Average pressure
Chelsea, OK

Average pressure - Chelsea, OK

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed
Chelsea, OK

Average wind speed - Chelsea, OK

The windiest month (with the highest average wind speed) is March (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).

Average rainfall
Chelsea, OK

Average rainfall - Chelsea, OK

The wettest month (with the highest rainfall) is May (4.06").
The driest month (with the least rainfall) is November (0.75").

Average rainfall days
Chelsea, OK

Average rainfall days - Chelsea, OK

The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is January (6.2 days).

Average snowfall
Chelsea, OK

Average snowfall - Chelsea, OK

The month with the highest snowfall is February (0.79").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days
Chelsea, OK

Average snowfall days - Chelsea, OK

The month with the highest number of snowfall days is January (2.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight / Average sunshine
Chelsea, OK

Average daylight / Average sunshine - Chelsea, OK

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).

Average sunshine days
Chelsea, OK

Average sunshine days - Chelsea, OK

The month with the most sunshine days is November (21.9 days).
The month with the least sunshine days is May (12.9 days).

Average visibility
Chelsea, OK

Average visibility - Chelsea, OK

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).

Chelsea, Oklahoma, USA

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