Climate and monthly weather forecast
Middletown, CA

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Weather in January

January is a refreshing winter month in Middletown, California, with an average temperature varying between 56.7°F (13.7°C) and 40.1°F (4.5°C). The arrival of January coincides with an average high-temperature of a mild 56.7°F (13.7°C), indicating a minimal shift from December's 54.7°F (12.6°C). Weather in January »

Weather in February

The last month of the winter, February, is another mild month in Middletown, California, with an average temperature fluctuating between 40.3°F (4.6°C) and 58.6°F (14.8°C). February's onset sees an average high-temperature of a still mild 58.6°F (14.8°C), exhibiting a slight fluctuation from the previous month. Weather in February »

Weather in March

March, the first month of the spring in Middletown, is an enjoyable month, with an average temperature fluctuating between 40.6°F (4.8°C) and 61.2°F (16.2°C). During March, the average high-temperature is a still refreshing 61.2°F (16.2°C), maintaining a close resemblance to that of the preceding month. Weather in March »

Weather in April

April, the same as March, is another refreshing spring month in Middletown, California, with an average temperature fluctuating between 43.3°F (6.3°C) and 67.6°F (19.8°C). Observing a slight rise in April, the average high-temperature shifts from March's 61.2°F (16.2°C) to a still comfortable 67.6°F (19.8°C). Weather in April »

Weather in May

The last month of the spring, May, is a moderately hot month in Middletown, California, with temperature in the range of an average low of 47.5°F (8.6°C) and an average high of 73.4°F (23°C). May brings a slight rise in Middletown's average high-temperature, moving from a refreshing 67.6°F (19.8°C) in April to a moderately hot 73.4°F (23°C). Weather in May »

Weather in June

June, the first month of the summer in Middletown, is still a warm month, with temperature in the range of an average low of 53.1°F (11.7°C) and an average high of 83.1°F (28.4°C). As June arrives, Middletown's weather shows an increase in high-temperatures, moving from May's moderately hot 73.4°F (23°C) to a still warm 83.1°F (28.4°C). Weather in June »

Weather in July

July is a tropical summer month in Middletown, California, with an average temperature ranging between min 55.4°F (13°C) and max 87.6°F (30.9°C). Transitioning into July, Middletown experiences an average high-temperature of a hot 87.6°F (30.9°C), marking a minor shift from the preceding month. Weather in July »

Weather in August

The last month of the summer, August, is another tropical month in Middletown, California, with an average temperature ranging between max 87.8°F (31°C) and min 55°F (12.8°C). August is the warmest month, with an average high-temperature of 87.8°F (31°C) and an average low-temperature of 55°F (12.8°C). In August, the average heat index is estimated at a tropical 93.2°F (34°C). Weather in August »

Weather in September

September, the first month of the autumn in Middletown, is still a warm month, with an average temperature varying between 84.4°F (29.1°C) and 54.5°F (12.5°C). September's commencement is accompanied by an average high-temperature of a warm 84.4°F (29.1°C), diverging marginally from August's 87.8°F (31°C). Weather in September »

Weather in October

October, the same as September, is another warm autumn month in Middletown, California, with an average temperature varying between 74.7°F (23.7°C) and 50.7°F (10.4°C). In October, the average high-temperature decreases from 84.4°F (29.1°C) in September to a still moderately hot 74.7°F (23.7°C). Weather in October »

Weather in November

November, the last month of the autumn in Middletown, is another refreshing month, with an average temperature ranging between min 44.2°F (6.8°C) and max 63.5°F (17.5°C). Middletown experiences a temperature shift at the start of November, with average high-temperatures adjusting from a moderately hot 74.7°F (23.7°C) in October to an enjoyable 63.5°F (17.5°C). Weather in November »

Weather in December

The first month of the winter, December, is also a fresh month in Middletown, California, with an average temperature ranging between max 54.7°F (12.6°C) and min 39.4°F (4.1°C). Middletown's December weather, with an average high temperature of 54.7°F (12.6°C) and an average low temperature of 39.4°F (4.1°C), tends to be the coldest of the year. Weather in December »
Updated: Aug 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How much does it rain?

In Middletown, during the entire year, the rain falls for 77 days and collects up to 17.05" (433mm) of precipitation.

When it does not snow?

In Middletown, snow does not fall in January, March through December.

How much does it snow?

Throughout the year, 0.04" (1mm) of snow is accumulated.

What is the rainiest month?

The month with the most rainfall in Middletown is February, when the rain falls for 9.5 days and typically aggregates up to 3.78" (96mm) of precipitation.

When does it snow?

The only month with snowfall is February.

What is the snowiest month in Middletown?

February is the month with the most snowfall. Snow falls for 0.1 days and accumulates 0.04" (1mm) of snow.

What is the most humid month in Middletown?

March is the most humid month, with an average relative humidity of 75%.

When is Daylight Saving Time (DST) in Middletown?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.

When are the longest days?

The month with the longest days is June, with an average of 14h and 48min of daylight.

When is the highest UV index?

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

What is the driest month?

July and August are months with the least rain when the rain falls for 1 days and typically aggregates up to 0.04" (1mm) of rain.

What month has the most sunshine?

With an average of 12h of sunshine, July has the most sunshine of the year.

What is the hottest time of year?

August, recognised by an average high temperature of 87.8°F (31°C) and a low of 55°F (12.8°C), is Middletown's warmest month.

What is the least humid month in Middletown?

With an average relative humidity of 53%, September is the least humid month.

What is the coldest month?

December proves to be the coldest month, recording an average maximum temperature of 54.7°F (12.6°C) and a minimum temperature of 39.4°F (4.1°C).

What is the month with the shortest days?

The month with the shortest days in Middletown is December, with an average of 9h and 30min of daylight.

What is the month with the least sunshine?

With an average of 5.5h of sunshine, December has the least sunshine of the year.

What is the month with the lowest UV index?

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

Average temperature
Middletown, CA

Average temperature - Middletown, CA

The warmest month (with the highest average high temperature) is August (87.8°F).
The month with the lowest average high temperature is December (54.7°F).

The month with the highest average low temperature is July (55.4°F).
The coldest month (with the lowest average low temperature) is December (39.4°F).

Average pressure
Middletown, CA

Average pressure - Middletown, CA

The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.91"Hg).

Average wind speed
Middletown, CA

Average wind speed - Middletown, CA

The windiest months (with the highest average wind speed) are April and May (5.7mph).
The calmest month (with the lowest average wind speed) is November (4.3mph).

Average humidity
Middletown, CA

Average humidity - Middletown, CA

The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is September (53%).

Average rainfall
Middletown, CA

Average rainfall - Middletown, CA

The wettest month (with the highest rainfall) is February (3.78").
The driest months (with the least rainfall) are July and August (0.04").

Average rainfall days
Middletown, CA

Average rainfall days - Middletown, CA

The month with the highest number of rainy days is March (13.6 days).
The month with the least rainy days is August (0.8 days).

Average snowfall
Middletown, CA

Average snowfall - Middletown, CA

The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days
Middletown, CA

Average snowfall days - Middletown, CA

The months with the highest number of snowfall days are February and March (0.1 days).
The months with the least snowfall days are January, April, May, June, July, August, September, October, November and December (0 days).

Average daylight / Average sunshine
Middletown, CA

Average daylight / Average sunshine - Middletown, CA

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

Average sunshine days
Middletown, CA

Average sunshine days - Middletown, CA

The month with the most sunshine days is July (29.8 days).
The month with the least sunshine days is March (15.8 days).

Average visibility
Middletown, CA

Average visibility - Middletown, CA

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

Middletown, California, USA

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