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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, in McHenry, California, is a moderate winter month, with an average temperature ranging between max 57.7°F (14.3°C) and min 41.4°F (5.2°C). January's arrival brings an average high-temperature of a still mild 57.7°F (14.3°C), slightly deviating from December's 55.4°F (13°C). Weather in January »
Weather in February
February, the last month of the winter in McHenry, is also a moderate month, with an average temperature ranging between max 60.4°F (15.8°C) and min 41.5°F (5.3°C). The shift from January to February is characterized by an average high-temperature of a still mild 60.4°F (15.8°C), not significantly different from the 57.7°F (14.3°C) of January. Weather in February »
Weather in March
The first month of the spring, March, is a comfortable month in McHenry, California, with an average temperature varying between 65.5°F (18.6°C) and 43.5°F (6.4°C). McHenry ushers in March with an average high-temperature of a still refreshing 65.5°F (18.6°C), showing a close resemblance to the previous month. Weather in March »
Weather in April
April is a pleasant spring month in McHenry, California, with temperature in the range of an average high of 71.2°F (21.8°C) and an average low of 47.3°F (8.5°C). A minor escalation in the average high-temperature is seen with the onset of April, moving from an enjoyable 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 moderately hot month in McHenry, California, with an average temperature ranging between min 52.3°F (11.3°C) and max 79.3°F (26.3°C). May's onset is marked by a subtle temperature increase, moving 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
The first month of the summer, June, is a hot month in McHenry, California, with an average temperature fluctuating between 90.1°F (32.3°C) and 58.6°F (14.8°C). With the onset of June, McHenry's weather sees a temperature rise, transitioning from a warm 79.3°F (26.3°C) in May to a tropical 90.1°F (32.3°C). Weather in June »
Weather in July
July in McHenry, California, is a torrid summer month, with an average temperature ranging between max 96.4°F (35.8°C) and min 62.1°F (16.7°C). With its high average temperature of 96.4°F (35.8°C) and a low of 62.1°F (16.7°C), July is regarded as the warmest month. Weather in July »
Weather in August
August, the last month of the summer in McHenry, is another torrid month, with temperature in the range of an average high of 95.5°F (35.3°C) and an average low of 61.3°F (16.3°C). As McHenry transitions from July to August, the average high-temperatures adjust to a still fiery hot 95.5°F (35.3°C), nearly the same as the previous 96.4°F (35.8°C). Weather in August »
Weather in September
September, the first month of the autumn in McHenry, is still a hot month, with temperature in the range of an average low of 59.7°F (15.4°C) and an average high of 90°F (32.2°C). September is characterized by a slight reduction in average high-temperature, easing from a torrid 95.5°F (35.3°C) in August to a tropical 90°F (32.2°C). Weather in September »
Weather in October
October, the same as September, is another warm autumn month in McHenry, California, with an average temperature fluctuating between 54.1°F (12.3°C) and 77.4°F (25.2°C). The move into October indicates a reduction in the average high-temperature, down from September's hot 90°F (32.2°C) to a warm 77.4°F (25.2°C). Weather in October »
Weather in November
The last month of the autumn, November, is another comfortable month in McHenry, California, with an average temperature varying between 46°F (7.8°C) and 65.1°F (18.4°C). The onset of November coincides with a reduction in the average high-temperature, falling from a moderately hot 77.4°F (25.2°C) in October to a refreshing 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 an average temperature fluctuating between 55.4°F (13°C) and 41°F (5°C). McHenry reaches its lowest average temperatures in December, measuring 55.4°F (13°C) at the peak and 41°F (5°C) at the lowest. Weather in December »
Updated: Aug 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the most humid month?
The most humid month is January, with an average relative humidity of 72%.
How many days does it rain?
Throughout the year, in McHenry, there are 59.3 rainfall days, and 8.23" (209mm) of precipitation is accumulated.
When it does not snow?
In McHenry, snow does not fall in January through November.
How much does it snow?
Throughout the year, 0.04" (1mm) of snow is accumulated.
What are the months with the lowest UV index?
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?
March is the month with the most rainfall. Rain falls for 11.3 days and accumulates 1.65" (42mm) of precipitation.
When is Daylight Saving Time (DST)?
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?
June has the longest days of the year, with an average of 14h and 42min of daylight.
What are the months with the highest UV index?
The months with the highest UV index in McHenry are June and July, with an average maximum UV index of 7.
What is the hottest time of year in McHenry?
July is the month when McHenry sees the average highest temperatures, with a high of 96.4°F (35.8°C) and a low of 62.1°F (16.7°C).
What is the least humid month?
The least humid month is July, with an average relative humidity of 37%.
What is the driest month?
The months with the least rainfall in McHenry are July and August Rain falls for 1.4 days and accumulates 0.04" (1mm) of rain.
What month has the most sunshine?
July has the most sunshine of the year, with an average of 12.1h of sunshine.
What are the coldest months?
December is the coldest month, with an average high-temperature of 55.4°F (13°C) and an average low-temperature of 41°F (5°C).
When does it snow?
The only month with snowfall is December.
When does it snow the most?
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?
The month with the shortest days is December, with an average of 9h and 36min of daylight.
What is the month with the least sunshine?
The month with the least sunshine is December, with an average of 6h of sunshine.
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).
Average pressure
McHenry, CA
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
30.02"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.92"Hg - Average pressure in September:
29.93"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
McHenry, CA
- Average wind speed in January:
5.2mph - Average wind speed in February:
6.2mph - Average wind speed in March:
5.9mph - Average wind speed in April:
6.3mph - Average wind speed in May:
6.5mph - Average wind speed in June:
7.1mph
- Average wind speed in July:
6.8mph - Average wind speed in August:
6.4mph - Average wind speed in September:
5.7mph - Average wind speed in October:
5.4mph - Average wind speed in November:
4.9mph - Average wind speed in December:
5.5mph
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).
Average humidity
McHenry, CA
The month with the highest relative humidity is January (72%).
The month with the lowest relative humidity is July (37%).
Average rainfall
McHenry, CA
- Average rainfall in January:
0.98" - Average rainfall in February:
1.34" - Average rainfall in March:
1.65" - Average rainfall in April:
0.75" - Average rainfall in May:
0.47" - Average rainfall in June:
0.08"
- Average rainfall in July:
0.04" - Average rainfall in August:
0.04" - Average rainfall in September:
0.08" - Average rainfall in October:
0.43" - Average rainfall in November:
0.91" - Average rainfall in December:
1.46"
The wettest month (with the highest rainfall) is March (1.65").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days
McHenry, CA
- Average rainfall days in January:
7.1 days - Average rainfall days in February:
7 days - Average rainfall days in March:
11.3 days - Average rainfall days in April:
7.8 days - Average rainfall days in May:
3.7 days - Average rainfall days in June:
1 days
- Average rainfall days in July:
1.4 days - Average rainfall days in August:
0.7 days - Average rainfall days in September:
2 days - Average rainfall days in October:
2.9 days - Average rainfall days in November:
6 days - Average rainfall days in December:
8.4 days
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).
Average snowfall
McHenry, CA
The month with the highest snowfall is December (0.04").
The months with the least snowfall are January, February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days
McHenry, CA
- Average snowfall days in January:
0 days - Average snowfall days in February:
0 days - Average snowfall days in March:
0 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0.1 days
The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
McHenry, CA
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 1min - Average daylight in June:
14h and 4min
- Average daylight in July:
14h and 3min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 1min - Average daylight in December:
9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January:
6h and 2min - Average sunshine in February:
6h and 2min - Average sunshine in March:
8h and 1min - Average sunshine in April:
10h and 2min - Average sunshine in May:
11h and 2min - Average sunshine in June:
11h and 5min
- Average sunshine in July:
12h and 1min - Average sunshine in August:
12h and 0min - Average sunshine in September:
11h and 3min - Average sunshine in October:
7h and 2min - Average sunshine in November:
6h and 4min - Average sunshine in December:
6h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days
McHenry, CA
- Average sunshine days in January:
22.8 days - Average sunshine days in February:
20.3 days - Average sunshine days in March:
18.7 days - Average sunshine days in April:
21.3 days - Average sunshine days in May:
26.5 days - Average sunshine days in June:
28.1 days
- Average sunshine days in July:
28.2 days - Average sunshine days in August:
29.2 days - Average sunshine days in September:
26.8 days - Average sunshine days in October:
26.9 days - Average sunshine days in November:
23.1 days - Average sunshine days in December:
21.5 days
The month with the most sunshine days is August (29.2 days).
The month with the least sunshine days is March (18.7 days).
Average UV index
McHenry, CA
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover
McHenry, CA
The month with the most cloud cover is March (Cloud cover 33).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility
McHenry, CA
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).
McHenry, California, USA
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