Climate and monthly weather forecastWashington, TX

Climate and monthly weather forecast

Weather in January

January, like December, is a moderate winter month in Washington, Texas, with an average temperature varying between 42.6°F (5.9°C) and 58.8°F (14.9°C). Temperature readings reach their annual highs in January, averaging 58.8°F (14.9°C) and a minimum average of 42.6°F (5.9°C). Weather in January »

Weather in February

The last month of the winter, February, is a refreshing month in Washington, Texas, with an average temperature fluctuating between 63.1°F (17.3°C) and 46.9°F (8.3°C). At the onset of February, Washington records an average high-temperature of a comfortable 63.1°F (17.3°C), showing little deviation from the preceding month. Weather in February »

Weather in March

The first month of the spring, March, is an agreeable month in Washington, Texas, with an average temperature ranging between max 70.3°F (21.3°C) and min 52.9°F (11.6°C). March comes with a subtle rise, with the average high-temperature adjusting from a refreshing 63.1°F (17.3°C) in February to a pleasant 70.3°F (21.3°C). Weather in March »

Weather in April

April in Washington, Texas, is a moderately hot spring month, with an average temperature ranging between max 76.8°F (24.9°C) and min 58.3°F (14.6°C). April's arrival signals a modest temperature shift, moving from a pleasant 70.3°F (21.3°C) in March to a moderately hot 76.8°F (24.9°C). Weather in April »

Weather in May

May, the last month of the spring in Washington, is another warm month, with an average temperature fluctuating between 65.7°F (18.7°C) and 83.8°F (28.8°C). The arrival of May witnesses a small shift in the average high-temperature, moving from a moderately hot 76.8°F (24.9°C) in April to a still warm 83.8°F (28.8°C). Weather in May »

Weather in June

The first month of the summer, June, is a tropical month in Washington, Texas, with an average temperature fluctuating between 90.3°F (32.4°C) and 72.1°F (22.3°C). As Washington welcomes June, the average high-temperature displays a subtle shift, adjusting from a moderately hot 83.8°F (28.8°C) in May to a tropical 90.3°F (32.4°C). Weather in June »

Weather in July

July, the same as June, in Washington, Texas, is another tropical summer month, with an average temperature fluctuating between 93.7°F (34.3°C) and 74.3°F (23.5°C). Washington observes a minor difference in average high-temperatures between June's 90.3°F (32.4°C) and July's 93.7°F (34.3°C). Weather in July »

Weather in August

The last month of the summer, August, is a sweltering month in Washington, Texas, with an average temperature fluctuating between 74.8°F (23.8°C) and 95.5°F (35.3°C). August, with its average high-temperature of 95.5°F (35.3°C) and an average low-temperature of 74.8°F (23.8°C), holds the record as the warmest month. August's average heat index is estimated at a burning hot 122°F (50°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a hot month in Washington, Texas, with temperature in the range of an average low of 70.5°F (21.4°C) and an average high of 88.7°F (31.5°C). The shift from August to September coincides with a small decrease in the average high-temperature, down to a tropical 88.7°F (31.5°C) from a torrid 95.5°F (35.3°C). Weather in September »

Weather in October

October, the same as September, is a moderately hot autumn month in Washington, Texas, with temperature in the range of an average high of 79.5°F (26.4°C) and an average low of 60.4°F (15.8°C). As October commences, the average high-temperature shows a reduction, transitioning from a hot 88.7°F (31.5°C) in September to a moderately hot 79.5°F (26.4°C). Weather in October »

Weather in November

November, the last month of the autumn in Washington, is another pleasant month, with temperature in the range of an average low of 51.3°F (10.7°C) and an average high of 68.4°F (20.2°C). Onset of November comes with a temperature decline, the average high falling from a moderately hot 79.5°F (26.4°C) in October to an agreeable 68.4°F (20.2°C). Weather in November »

Weather in December

December, the first month of the winter in Washington, is also a moderate month, with an average temperature fluctuating between 45.5°F (7.5°C) and 60.1°F (15.6°C). The average high-temperature slightly decreases in December, shifting from a pleasant 68.4°F (20.2°C) in November to a refreshing 60.1°F (15.6°C). Weather in December »
Updated: Jul 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Washington experiences its average lowest temperatures in January, reaching a peak of 58.8°F (14.9°C) and a minimum of 42.6°F (5.9°C).

In Washington, during the entire year, the rain falls for 163.6 days and collects up to 30.71" (780mm) of precipitation.

January and December are months with snowfall.

January is the month with the most snowfall. Snow falls for 0.4 days and accumulates 0.28" (7mm) of snow.

Throughout the year, there are 0.8 snowfall days, and 0.31" (8mm) of snow is accumulated.

February is the month with the least rainfall. Rain falls for 13.5 days and accumulates 1.65" (42mm) of precipitation.

In Washington, Texas, snow does not fall in February through November.

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.

The most humid month is May, with an average relative humidity of 79%.

May is the month with the most rainfall. Rain falls for 15.8 days and accumulates 4.29" (109mm) of precipitation.

The month with the longest days is June, with an average of 14h and 6min of daylight.

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

The warmest time of the year in Washington is August, with temperatures averaging a high of 95.5°F (35.3°C) and a low of 74.8°F (23.8°C).

With an average relative humidity of 67%, August is the least humid month.

The month with the most sunshine is August, with an average of 10.2h of sunshine.

With an average of 10h and 12min of daylight, December has the shortest days of the year in Washington.

December has the least sunshine of the year, with an average of 5.1h of sunshine.

The month with the lowest UV index is December, with an average maximum UV index of 3.

Average temperature
Washington, TX

The warmest month (with the highest average high temperature) is August (95.5°F).
The month with the lowest average high temperature is January (58.8°F).

The month with the highest average low temperature is August (74.8°F).
The coldest month (with the lowest average low temperature) is January (42.6°F).

Average pressure
Washington, TX

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed
Washington, TX

The windiest months (with the highest average wind speed) are February and March (8.3mph).
The calmest month (with the lowest average wind speed) is September (5.7mph).

Average humidity
Washington, TX

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is August (67%).

Average rainfall
Washington, TX

The wettest month (with the highest rainfall) is May (4.29").
The driest month (with the least rainfall) is February (1.65").

Average rainfall days
Washington, TX

The month with the highest number of rainy days is September (16.5 days).
The month with the least rainy days is January (10.7 days).

Average snowfall
Washington, TX

The month with the highest snowfall is January (0.28").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").

Average snowfall days
Washington, TX

The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

Average daylight / Average sunshine
Washington, TX

The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

Average sunshine days
Washington, TX

The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is June (11 days).

Average UV index
Washington, TX

The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).

Average cloud cover
Washington, TX

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility
Washington, TX

The months with the highest visibility are January, February, March, August, September, October, November and December (6mi).
The months with the lowest visibility are April, May, June and July (5mi).