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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 days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January is a mild winter month in Rocklin, California, with an average temperature varying between 40.8°F (4.9°C) and 55.9°F (13.3°C). The arrival of January is marked by an average high-temperature of a moderate 55.9°F (13.3°C), bearing a close resemblance to December. Weather in January »
Weather in February
February, the last month of the winter in Rocklin, is another refreshing month, with an average temperature varying between 41.4°F (5.2°C) and 58.3°F (14.6°C). The shift into February records an average high-temperature of a still mild 58.3°F (14.6°C), subtly varied from January's 55.9°F (13.3°C). Weather in February »
Weather in March
The first month of the spring, March, is a comfortable month in Rocklin, California, with an average temperature varying between 43.3°F (6.3°C) and 61.7°F (16.5°C). In March, Rocklin notes an average high-temperature of an enjoyable 61.7°F (16.5°C), hardly different from the preceding month. Weather in March »
Weather in April
April is an agreeable spring month in Rocklin, California, with an average temperature fluctuating between 68.5°F (20.3°C) and 46.2°F (7.9°C). The shift into April is marked by a modest rise in the average high-temperature, moving from March's comfortable 61.7°F (16.5°C) to an agreeable 68.5°F (20.3°C). Weather in April »
Weather in May
The last month of the spring, May, is a moderately hot month in Rocklin, California, with temperature in the range of an average high of 76.8°F (24.9°C) and an average low of 51.8°F (11°C). May's onset witnesses a minor shift in the average high-temperature, moving from an agreeable 68.5°F (20.3°C) in April to a moderately hot 76.8°F (24.9°C). Weather in May »
Weather in June
The first month of the summer, June, is a tropical month in Rocklin, California, with an average temperature fluctuating between 87.4°F (30.8°C) and 57.7°F (14.3°C). Rocklin's weather in June presents a rise in the average high-temperature, moving from a moderately hot 76.8°F (24.9°C) in May to a tropical 87.4°F (30.8°C). Weather in June »
Weather in July
July, the same as June, in Rocklin, California, is another tropical summer month, with an average temperature fluctuating between 60.4°F (15.8°C) and 94.1°F (34.5°C). July brings the highest temperatures, with an average high of 94.1°F (34.5°C) and an average low of 60.4°F (15.8°C). For July, the heat index is computed to be a fiery hot 98.6°F (37°C). Weather in July »
Weather in August
The last month of the summer, August, is another hot month in Rocklin, California, with an average temperature fluctuating between 60.3°F (15.7°C) and 92.8°F (33.8°C). Rocklin marks the onset of August with an average high-temperature of a still tropical 92.8°F (33.8°C), a subtle shift from July's 94.1°F (34.5°C). Weather in August »
Weather in September
September, the first month of the autumn in Rocklin, is still a tropical month, with temperature in the range of an average low of 58.8°F (14.9°C) and an average high of 87.8°F (31°C). On the advent of September, Rocklin's average high-temperature exhibits a minor adjustment to a still tropical 87.8°F (31°C) from August's 92.8°F (33.8°C). Weather in September »
Weather in October
October, like September, in Rocklin, California, is another warm autumn month, with an average temperature ranging between min 53.1°F (11.7°C) and max 75.7°F (24.3°C). October's onset brings a reduction in the average high-temperature, from a hot 87.8°F (31°C) in September to a warm 75.7°F (24.3°C). Weather in October »
Weather in November
The last month of the autumn, November, is another comfortable month in Rocklin, California, with an average temperature fluctuating between 62.6°F (17°C) and 45.5°F (7.5°C). Observing a mild shift, the average high-temperature during November reduces from October's moderately hot 75.7°F (24.3°C) to a refreshing 62.6°F (17°C). Weather in November »
Weather in December
December, the first month of the winter in Rocklin, is also a fresh month, with an average temperature ranging between max 54.1°F (12.3°C) and min 40.5°F (4.7°C). December is the coldest month, exhibiting average temperatures of 54.1°F (12.3°C) at the peak and 40.5°F (4.7°C) at the base. Weather in December »
Updated: Jul 2, 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
How many days does it rain?
In Rocklin, during the entire year, the rain falls for 78.4 days and collects up to 19.09" (485mm) of precipitation.
When it does not snow?
In Rocklin, snow does not fall in January through November.
How many days does it snow?
In Rocklin, during the entire year, snow falls for 0.2 days.
When is the lowest UV index?
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3.
What is the most humid month?
The most humid month is March, with an average relative humidity of 74%.
What is the wettest month?
March is the month with the most rainfall. Rain falls for 14.1 days and accumulates 3.58" (91mm) 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?
With an average of 14h and 48min of daylight, June has the longest days of the year in Rocklin.
What are the months with the highest UV index?
The months with the highest UV index are June and July, with an average maximum UV index of 7.
What is the warmest month?
July proves to be the warmest month, recording an average peak temperature of 94.1°F (34.5°C) and a minimum temperature of 60.4°F (15.8°C).
What is the least humid month?
July is the least humid month, with an average relative humidity of 41%.
What is the driest month?
The months with the least rainfall are July and August Rain falls for 1.1 days and accumulates 0.04" (1mm) of rain.
What month has the most sunshine?
The month with the most sunshine is July, with an average of 12.1h of sunshine.
What time of the year is the coldest?
December is the coldest month, with the temperature often reaching an average high of 54.1°F (12.3°C) and an average low of 40.5°F (4.7°C).
When does it snow?
The only month with snowfall is December.
What is the snowiest month?
December has the most snowfall days of the year. Snow falls for 0.2 days.
What is the month with the shortest days?
With an average of 9h and 30min of daylight, December has the shortest days of the year.
What is the month with the least sunshine?
The month with the least sunshine is December, with an average of 5.8h of sunshine.
Average temperature
Rocklin, CA
The warmest month (with the highest average high temperature) is July (94.1°F).
The month with the lowest average high temperature is December (54.1°F).
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is December (40.5°F).
Average pressure
Rocklin, CA
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
30.01"Hg - Average pressure in May:
29.95"Hg - Average pressure in June:
29.9"Hg
- Average pressure in July:
29.92"Hg - Average pressure in August:
29.91"Hg - Average pressure in September:
29.92"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.13"Hg
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
Rocklin, CA
- Average wind speed in January:
4.7mph - Average wind speed in February:
5.7mph - Average wind speed in March:
5.5mph - Average wind speed in April:
5.2mph - Average wind speed in May:
5.2mph - Average wind speed in June:
4.9mph
- Average wind speed in July:
4.7mph - Average wind speed in August:
4.5mph - Average wind speed in September:
4mph - Average wind speed in October:
4.4mph - Average wind speed in November:
4.3mph - Average wind speed in December:
4.9mph
The windiest month (with the highest average wind speed) is February (5.7mph).
The calmest month (with the lowest average wind speed) is September (4mph).
Average humidity
Rocklin, CA
The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is July (41%).
Average rainfall
Rocklin, CA
- Average rainfall in January:
2.87" - Average rainfall in February:
3.39" - Average rainfall in March:
3.58" - Average rainfall in April:
1.42" - Average rainfall in May:
0.94" - Average rainfall in June:
0.2"
The wettest month (with the highest rainfall) is March (3.58").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days
Rocklin, CA
- Average rainfall days in January:
9.8 days - Average rainfall days in February:
9.3 days - Average rainfall days in March:
14.1 days - Average rainfall days in April:
9.6 days - Average rainfall days in May:
5.6 days - Average rainfall days in June:
1.8 days
- Average rainfall days in July:
1.1 days - Average rainfall days in August:
1.3 days - Average rainfall days in September:
2.4 days - Average rainfall days in October:
4.3 days - Average rainfall days in November:
8.5 days - Average rainfall days in December:
10.6 days
The month with the highest number of rainy days is March (14.1 days).
The month with the least rainy days is July (1.1 days).
Average snowfall days
Rocklin, 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:
0.2 days
The month with the highest number of snowfall days is December (0.2 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
Rocklin, 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 2min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 4min - 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 3min
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).
- Average sunshine in January:
6h and 0min - Average sunshine in February:
6h and 1min - Average sunshine in March:
7h and 4min - Average sunshine in April:
10h and 1min - Average sunshine in May:
11h and 0min - 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 1min - Average sunshine in October:
7h and 1min - Average sunshine in November:
6h and 3min - Average sunshine in December:
5h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days
Rocklin, CA
- Average sunshine days in January:
20.5 days - Average sunshine days in February:
18.2 days - Average sunshine days in March:
15.8 days - Average sunshine days in April:
19 days - Average sunshine days in May:
24.2 days - Average sunshine days in June:
27.7 days
- Average sunshine days in July:
29.3 days - Average sunshine days in August:
28.8 days - Average sunshine days in September:
27 days - Average sunshine days in October:
25.8 days - Average sunshine days in November:
21.2 days - Average sunshine days in December:
19.7 days
The month with the most sunshine days is July (29.3 days).
The month with the least sunshine days is March (15.8 days).
Average UV index
Rocklin, 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
Rocklin, CA
The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility
Rocklin, 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).
Rocklin, California, USA
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