Monthly weather forecast and climate
McHenry, CA

Weather in January

January, the same as December, in McHenry, California, is a moderate winter month, with temperature in the range of an average low of 41.4°F (5.2°C) and an average high of 57.7°F (14.3°C). In McHenry, the average high-temperature in January is almost the same as in December - a still moderate 57.7°F (14.3°C). Weather in January »

Weather in February

February, the last month of the winter, in McHenry, is also a moderate month, with temperature in the range of an average high of 60.4°F (15.8°C) and an average low of 41.5°F (5.3°C). In February, the average high-temperature is essentially the same as in January - a still mild 60.4°F (15.8°C). Weather in February »

Weather in March

The first month of the spring, March, is a comfortable month in McHenry, California, with average temperature varying between 43.5°F (6.4°C) and 65.5°F (18.6°C). In March, the average high-temperature is almost the same as in February - a comfortable 65.5°F (18.6°C). Weather in March »

Weather in April

April in McHenry, California, is a pleasant spring month, with average temperature varying between 47.3°F (8.5°C) and 71.2°F (21.8°C). In McHenry, California, the average high-temperature slightly increases, from a comfortable 65.5°F (18.6°C) in March, to an agreeable 71.2°F (21.8°C). Weather in April »

Weather in May

The last month of the spring, May, is a warm month in McHenry, California, with temperature in the range of an average low of 52.3°F (11.3°C) and an average high of 79.3°F (26.3°C). In McHenry, the average high-temperature marginally rises, from an agreeable 71.2°F (21.8°C) in April, to a warm 79.3°F (26.3°C). Weather in May »

Weather in June

June, the first month of the summer, in McHenry, is a tropical month, with average temperature varying between 58.6°F (14.8°C) and 90.1°F (32.3°C). In McHenry, California, the average high-temperature rises, from a warm 79.3°F (26.3°C) in May, to a hot 90.1°F (32.3°C). Weather in June »

Weather in July

July is a sweltering summer month in McHenry, California, with average temperature varying between 62.1°F (16.7°C) and 96.4°F (35.8°C). July is the warmest month, with an average high-temperature of 96.4°F (35.8°C) and an average low-temperature of 62.1°F (16.7°C). Weather in July »

Weather in August

August, the last month of the summer, in McHenry, is also a sweltering month, with average temperature fluctuating between 95.5°F (35.3°C) and 61.3°F (16.3°C). In McHenry, the average high-temperature in August is relatively the same as in July - a still sweltering 95.5°F (35.3°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a tropical month in McHenry, California, with average temperature varying between 59.7°F (15.4°C) and 90°F (32.2°C). In McHenry, the average high-temperature in September slightly decreases, from a very hot 95.5°F (35.3°C) in August, to a hot 90°F (32.2°C). Weather in September »

Weather in October

October, like September, in McHenry, California, is another warm autumn month, with average temperature ranging between max 77.4°F (25.2°C) and min 54.1°F (12.3°C). In October, the average high-temperature decreases, from a tropical 90°F (32.2°C) in September, to a moderately hot 77.4°F (25.2°C). Weather in October »

Weather in November

The last month of the autumn, November, is also an enjoyable month in McHenry, California, with average temperature ranging between max 65.1°F (18.4°C) and min 46°F (7.8°C). In November, the average high-temperature decreases, from a warm 77.4°F (25.2°C) in October, to an enjoyable 65.1°F (18.4°C). Weather in November »

Weather in December

The first month of the winter, December, is still a mild month in McHenry, California, with average temperature varying between 55.4°F (13°C) and 41°F (5°C). With an average high-temperature of 55.4°F (13°C) and an average low-temperature of 41°F (5°C), December is the coldest month. Weather in December »
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FAQ

What is the most humid month in McHenry?

The most humid month is January, with an average relative humidity of 72%.

How much does it rain in McHenry?

In McHenry, California, during the entire year, the rain falls for 59.3 days and collects up to 8.23" (209mm) of precipitation.

How much does it snow in McHenry?

In McHenry, during the entire year, snow aggregates up to 0.04" (1mm).

When it does not snow in McHenry?

In McHenry snow does not fall in January through November.

When is the lowest UV index in McHenry?

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index in McHenry, California.

What is the rainiest month in McHenry?

The month with the most rainfall in McHenry is March when the rain falls for 11.3 days and typically aggregates up to 1.65" (42mm) of precipitation.

When are the longest days in McHenry?

June has the longest days of the year in McHenry, with an average of 14.7h of daylight.

What are the months with the highest UV index in McHenry?

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

What is the warmest month in McHenry?

July is the warmest month, with an average high-temperature of 96.4°F (35.8°C) and an average low-temperature of 62.1°F (16.7°C).

What is the least humid month in McHenry?

The least humid month in McHenry is July, with an average relative humidity of 37%.

What is the driest month in McHenry?

Months with the least rainfall in McHenry, California, are July and August Rain falls for 1.4 days and accumulates 0.04" (1mm) of rain.

What month has the most sunshine in McHenry?

July has the most sunshine of the year, with an average of 12.1h of sunshine.

What is the coldest month in McHenry?

With an average high-temperature of 55.4°F (13°C) and an average low-temperature of 41°F (5°C), December is the coldest month in McHenry, California.

When does it snow in McHenry?

December is the only month when snow falls in McHenry.

When does it snow the most in McHenry?

The month with the most snowfall is December when snow falls for 0.1 days and typically aggregates up to 0.04" (1mm) of snow.

What is the month with the shortest days in McHenry?

The month with the shortest days is December, with an average of 9.6h of daylight.

What is the month with the least sunshine in McHenry?

The month with the least sunshine is December, with an average of 6h of sunshine.

Average temperature
McHenry, CA

Average temperature - McHenry, CA

The warmest month (with the highest average high temperature) is July (96.4°F).
The month with the lowest average high temperature is December (55.4°F).

The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is December (41°F).

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Average pressure
McHenry, CA

Average pressure - McHenry, CA

The month with the highest atmospheric pressure is January (30.15").
The month with the lowest atmospheric pressure is June (29.91").

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Average wind speed
McHenry, CA

Average wind speed - McHenry, CA

The windiest month (with the highest average wind speed) is June (7.1mph).
The calmest month (with the lowest average wind speed) is November (4.9mph).

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Average rainfall
McHenry, CA

Average rainfall - McHenry, CA

The wettest month (with the highest rainfall) is March (1.65").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days
McHenry, CA

Average rainfall days - McHenry, CA

The month with the highest number of rainy days is March (11.3 days).
The month with the least rainy days is August (0.7 days).

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Average snowfall
McHenry, CA

Average snowfall - McHenry, CA

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

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Average snowfall days
McHenry, CA

Average snowfall days - McHenry, CA

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

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Average daylight / Average sunshine
McHenry, CA

Average daylight / Average sunshine - McHenry, CA

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.6h).

The month with the most sunshine is July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 6h).

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Average sunshine days
McHenry, CA

Average sunshine days - McHenry, CA

The month with the most sunshine days is August (29.2 days).
The month with the least sunshine days is March (18.7 days).

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Average UV index
McHenry, CA

Average UV index - McHenry, CA

Months with the highest UV index are June and July (UV index 7).
Months with the lowest UV index are January, February, November and December (UV index 3).

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Average visibility
McHenry, CA

Average visibility - McHenry, CA

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

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