Climate and monthly weather forecast
Dorchester, TX

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Weather in January

January, like December, in Dorchester, Texas, is a cool winter month, with temperature in the range of an average high of 52.2°F (11.2°C) and an average low of 36.5°F (2.5°C). Dorchester, Texas, witnesses the coldest weather in January, with temperatures averaging a high of 52.2°F (11.2°C) and a low of 36.5°F (2.5°C). Weather in January »

Weather in February

February, the last month of the winter in Dorchester, is a moderate month, with an average temperature ranging between min 40.1°F (4.5°C) and max 55.9°F (13.3°C). The shift into February reveals an average high-temperature of a refreshing 55.9°F (13.3°C), closely mirroring January's climate. Weather in February »

Weather in March

March, the first month of the spring in Dorchester, is a comfortable month, with an average temperature ranging between min 47.8°F (8.8°C) and max 64.8°F (18.2°C). With the onset of March, Dorchester's average high-temperature sees a modest rise, moving from February's refreshing 55.9°F (13.3°C) to a comfortable 64.8°F (18.2°C). Weather in March »

Weather in April

April is a pleasant spring month in Dorchester, Texas, with an average temperature ranging between min 54.1°F (12.3°C) and max 72.3°F (22.4°C). Dorchester in April experiences a slight uptick in the average high-temperature, adjusting from March's enjoyable 64.8°F (18.2°C) to a pleasant 72.3°F (22.4°C). Weather in April »

Weather in May

The last month of the spring, May, is a moderately hot month in Dorchester, Texas, with an average temperature ranging between max 79.7°F (26.5°C) and min 62.2°F (16.8°C). With the onset of May, Dorchester experiences a subtle temperature shift, with the average high-temperature moving from an agreeable 72.3°F (22.4°C) in April to a moderately hot 79.7°F (26.5°C). Weather in May »

Weather in June

June, the first month of the summer in Dorchester, is a hot month, with an average temperature ranging between max 89.1°F (31.7°C) and min 71.8°F (22.1°C). The commencement of June sees a shift in the average high-temperature, moving from a warm 79.7°F (26.5°C) in May to a tropical 89.1°F (31.7°C). Weather in June »

Weather in July

July, like June, is another tropical summer month in Dorchester, Texas, with temperature in the range of an average high of 93.4°F (34.1°C) and an average low of 74.3°F (23.5°C). The shift into July finds Dorchester, Texas, at an average high-temperature of a still hot 93.4°F (34.1°C), closely comparable to June's conditions. Weather in July »

Weather in August

August, the last month of the summer in Dorchester, is also a hot month, with an average temperature ranging between min 73.9°F (23.3°C) and max 93.9°F (34.4°C). The warmest period is August, when temperatures fluctuate between an average high of 93.9°F (34.4°C) and a low of 73.9°F (23.3°C). August's average heat index is estimated at an extremely hot 109.4°F (43°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a tropical month in Dorchester, Texas, with an average temperature fluctuating between 68.4°F (20.2°C) and 86°F (30°C). Dorchester experiences a moderate temperature shift at the start of September, with average high-temperatures adjusting a bit from 93.9°F (34.4°C) in August to a still tropical 86°F (30°C). Weather in September »

Weather in October

October, the same as September, is another warm autumn month in Dorchester, Texas, with an average temperature ranging between min 56.5°F (13.6°C) and max 74.3°F (23.5°C). In Dorchester, the average high-temperature in October decreases from a hot 86°F (30°C) in September to a moderately hot 74.3°F (23.5°C). Weather in October »

Weather in November

November, the last month of the autumn in Dorchester, is another comfortable month, with an average temperature varying between 62.6°F (17°C) and 47.1°F (8.4°C). The start of November signals a decrease in the average high-temperature, transitioning from a warm 74.3°F (23.5°C) in October to a refreshing 62.6°F (17°C). Weather in November »

Weather in December

The first month of the winter, December, is also a fresh month in Dorchester, Texas, with an average temperature varying between 39.2°F (4°C) and 53.1°F (11.7°C). As December begins, there is a decrease in the average high-temperature, falling from an enjoyable 62.6°F (17°C) in November to a fresh 53.1°F (11.7°C). Weather in December »
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest in Dorchester?

Dorchester's temperature records reveal January as the coldest month, marked by average highs of 52.2°F (11.2°C) and lows of 36.5°F (2.5°C).

What is the driest month in Dorchester?

January is the month with the least rainfall in Dorchester, Texas. Rain falls for 7.1 days and accumulates 1.65" (42mm) of precipitation.

How much does it rain in Dorchester?

Throughout the year, there are 142.1 rainfall days, and 32.64" (829mm) of precipitation is accumulated.

When does it snow in Dorchester?

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

How many days does it snow in Dorchester?

Throughout the year, there are 3.1 snowfall days, and 1.38" (35mm) of snow is accumulated.

When does it snow the most in Dorchester?

February is the month with the most snowfall. Snow falls for 1.3 days and accumulates 0.67" (17mm) of snow.

When is Daylight Saving Time (DST) in Dorchester?

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 Dorchester?

April through October are months without snowfall in Dorchester, Texas.

What is the most humid month in Dorchester?

May is the most humid month, with an average relative humidity of 77%.

When are the longest days in Dorchester?

With an average of 14h and 18min of daylight, June has the longest days of the year.

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

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

What is the warmest month in Dorchester?

In Dorchester, Texas, the average highest temperatures are observed in August, with a high of 93.9°F (34.4°C) and a low of 73.9°F (23.3°C).

What is the least humid month in Dorchester?

August is the least humid month, with an average relative humidity of 59%.

What month has the most sunshine in Dorchester?

With an average of 11.1h of sunshine, August has the most sunshine of the year in Dorchester, Texas.

What is the rainiest month in Dorchester?

The month with the most rainfall in Dorchester, Texas, is October, when the rain falls for 11.5 days and typically aggregates up to 4.21" (107mm) of precipitation.

What is the month with the shortest days in Dorchester?

December has the shortest days of the year in Dorchester, with an average of 10h and 0min of daylight.

What is the month with the least sunshine in Dorchester?

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

When is the lowest UV index in Dorchester?

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

Average temperature
Dorchester, TX

Average temperature - Dorchester, TX

The warmest month (with the highest average high temperature) is August (93.9°F).
The month with the lowest average high temperature is January (52.2°F).

The month with the highest average low temperature is July (74.3°F).
The coldest month (with the lowest average low temperature) is January (36.5°F).

Average pressure
Dorchester, TX

Average pressure - Dorchester, TX

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

Average wind speed
Dorchester, TX

Average wind speed - Dorchester, TX

The windiest month (with the highest average wind speed) is March (10.4mph).
The calmest month (with the lowest average wind speed) is September (7mph).

Average humidity
Dorchester, TX

Average humidity - Dorchester, TX

The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is August (59%).

Average rainfall
Dorchester, TX

Average rainfall - Dorchester, TX

The wettest month (with the highest rainfall) is October (4.21").
The driest month (with the least rainfall) is January (1.65").

Average rainfall days
Dorchester, TX

Average rainfall days - Dorchester, TX

The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is January (7.1 days).

Average snowfall
Dorchester, TX

Average snowfall - Dorchester, TX

The month with the highest snowfall is February (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days
Dorchester, TX

Average snowfall days - Dorchester, TX

The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight / Average sunshine
Dorchester, TX

Average daylight / Average sunshine - Dorchester, TX

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).

Average sunshine days
Dorchester, TX

Average sunshine days - Dorchester, TX

The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is May (13.7 days).

Average visibility
Dorchester, TX

Average visibility - Dorchester, TX

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).

Dorchester, Texas, USA

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