Climate and monthly weather forecast
Dewar, OK

Weather in January

January, the same as December, in Dewar, Oklahoma, is another chilly winter month, with an average temperature varying between 48°F (8.9°C) and 32.2°F (0.1°C). January is the coldest month, with an average high-temperature of 48°F (8.9°C) and an average low-temperature of 32.2°F (0.1°C). Weather in January »

Weather in February

February, the last month of the winter in Dewar, is a cool month, with temperature in the range of an average low of 35.6°F (2°C) and an average high of 51.4°F (10.8°C). In February, the average high-temperature is essentially the same as in January - a fresh 51.4°F (10.8°C). Weather in February »

Weather in March

The first month of the spring, March, is a comfortable month in Dewar, Oklahoma, with an average temperature varying between 45.1°F (7.3°C) and 62.2°F (16.8°C). In March, the average high-temperature rises from a cool 51.4°F (10.8°C) in February to an enjoyable 62.2°F (16.8°C). Weather in March »

Weather in April

April is an agreeable spring month in Dewar, Oklahoma, with temperature in the range of an average low of 51.4°F (10.8°C) and an average high of 69.8°F (21°C). In Dewar, the average high-temperature in April slightly increases from an enjoyable 62.2°F (16.8°C) in March to a pleasant 69.8°F (21°C). Weather in April »

Weather in May

The last month of the spring, May, is a warm month in Dewar, Oklahoma, with an average temperature ranging between max 76.6°F (24.8°C) and min 59.9°F (15.5°C). In Dewar, the average high-temperature in May slightly increases from an agreeable 69.8°F (21°C) in April to a warm 76.6°F (24.8°C). Weather in May »

Weather in June

June, the first month of the summer in Dewar, is a tropical month, with temperature in the range of an average high of 86.9°F (30.5°C) and an average low of 69.4°F (20.8°C). In Dewar, the average high-temperature in June rises from a warm 76.6°F (24.8°C) in May to a tropical 86.9°F (30.5°C). Weather in June »

Weather in July

July, the same as June, in Dewar, Oklahoma, is a hot summer month, with temperature in the range of an average high of 91.8°F (33.2°C) and an average low of 72.3°F (22.4°C). In Dewar, the average high-temperature in July is relatively the same as in June - a still hot 91.8°F (33.2°C). Weather in July »

Weather in August

August, the last month of the summer in Dewar, is also a hot month, with an average temperature fluctuating between 71.1°F (21.7°C) and 91.9°F (33.3°C). August is the warmest month, with an average high-temperature of 91.9°F (33.3°C) and an average low-temperature of 71.1°F (21.7°C). The average heat index in August is calculated to be a scorching 109.4°F (43°C). Weather in August »

Weather in September

September, the first month of the autumn in Dewar, is also a moderately hot month, with temperature in the range of an average high of 84.6°F (29.2°C) and an average low of 64.6°F (18.1°C). In September, the average high-temperature slightly decreases from a tropical 91.9°F (33.3°C) in August to a warm 84.6°F (29.2°C). Weather in September »

Weather in October

October, the same as September, in Dewar, Oklahoma, is an agreeable autumn month, with an average temperature ranging between min 53.2°F (11.8°C) and max 71.4°F (21.9°C). In October, the average high-temperature decreases from a warm 84.6°F (29.2°C) in September to an agreeable 71.4°F (21.9°C). Weather in October »

Weather in November

November, the last month of the autumn in Dewar, is also a moderate month, with an average temperature ranging between min 43.2°F (6.2°C) and max 59.9°F (15.5°C). In Dewar, the average high-temperature in November decreases from an agreeable 71.4°F (21.9°C) in October to a mild 59.9°F (15.5°C). Weather in November »

Weather in December

December, the first month of the winter in Dewar, is still a chilly month, with an average temperature ranging between min 35.2°F (1.8°C) and max 49.5°F (9.7°C). In December, the average high-temperature drops from a mild 59.9°F (15.5°C) in November to a chilly 49.5°F (9.7°C). Weather in December »
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FAQ

What is the coldest month in Dewar?

With an average high-temperature of 48°F (8.9°C) and an average low-temperature of 32.2°F (0.1°C), January is the coldest month in Dewar, Oklahoma.

How many days does it rain in Dewar?

In Dewar, Oklahoma, during the entire year, the rain falls for 132.2 days and collects up to 29.49" (749mm) of precipitation.

When does it snow in Dewar?

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

How many days does it snow in Dewar?

In Dewar, Oklahoma, during the entire year, snow falls for 5.8 days and aggregates up to 2.91" (74mm) of snow.

What is the driest month in Dewar?

February is the month with the least rainfall. Rain falls for 8.8 days and accumulates 1.42" (36mm) of precipitation.

When does it snow the most in Dewar?

February is the month with the most snowfall in Dewar. Snow falls for 2 days and accumulates 1.14" (29mm) of snow.

When is Daylight Saving Time (DST) in Dewar?

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from CDT to CST.

What is the most humid month in Dewar?

May is the most humid month in Dewar, Oklahoma, with an average relative humidity of 80%.

What is the rainiest month in Dewar?

May is the month with the most rainfall in Dewar. Rain falls for 14.7 days and accumulates 4.84" (123mm) of precipitation.

When it does not snow in Dewar?

In Dewar, snow does not fall in May through October.

When are the longest days in Dewar?

With an average of 14h and 31min of daylight, June has the longest days of the year.

What is the month with the highest UV index in Dewar?

The months with the highest UV index in Dewar, Oklahoma, are June through August, with an average maximum UV index of 7.

What is the warmest month in Dewar?

August is the warmest month, with an average high-temperature of 91.9°F (33.3°C) and an average low-temperature of 71.1°F (21.7°C).

What is the least humid month in Dewar?

The least humid month in Dewar is August, with an average relative humidity of 66%.

What month has the most sunshine in Dewar?

The month with the most sunshine in Dewar is August, with an average of 11h of sunshine.

What is the month with the shortest days in Dewar?

The month with the shortest days is December, with an average of 9h and 49min of daylight.

What is the month with the least sunshine in Dewar?

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

When is the lowest UV index in Dewar?

The month with the lowest UV index in Dewar, Oklahoma, is December, with an average maximum UV index of 2.

Average temperature
Dewar, OK

Average temperature - Dewar, OK

The warmest month (with the highest average high temperature) is August (91.9°F).
The month with the lowest average high temperature is January (48°F).

The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is January (32.2°F).

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Average pressure
Dewar, OK

Average pressure - Dewar, OK

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed
Dewar, OK

Average wind speed - Dewar, OK

The windiest month (with the highest average wind speed) is March (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

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Average rainfall
Dewar, OK

Average rainfall - Dewar, OK

The wettest month (with the highest rainfall) is May (4.84").
The driest month (with the least rainfall) is February (1.42").

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Average rainfall days
Dewar, OK

Average rainfall days - Dewar, OK

The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is January (6.9 days).

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Average snowfall
Dewar, OK

Average snowfall - Dewar, OK

The month with the highest snowfall is February (1.14").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days
Dewar, OK

Average snowfall days - Dewar, OK

The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight / Average sunshine
Dewar, OK

Average daylight / Average sunshine - Dewar, OK

The month with the longest days is June (Average daylight: 14h and 31min).
The month with the shortest days is December (Average daylight: 9h and 49min).

The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).

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Average sunshine days
Dewar, OK

Average sunshine days - Dewar, OK

The month with the most sunshine days is January (21.8 days).
The months with the least sunshine days are April and May (14.4 days).

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Average visibility
Dewar, OK

Average visibility - Dewar, 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).

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