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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 fluctuating between 40.8°F (4.9°C) and 55.9°F (13.3°C). Upon the beginning of January, Rocklin's high-temperatures register at a mild 55.9°F (13.3°C), closely mirroring the preceding month. Weather in January »
Weather in February
February, the last month of the winter in Rocklin, is also a moderate month, with temperature in the range of an average low of 41.4°F (5.2°C) and an average high of 58.3°F (14.6°C). Transitioning into February, Rocklin experiences an average high-temperature of a still moderate 58.3°F (14.6°C), marking a minor shift from the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Rocklin, is an enjoyable month, with temperature in the range of an average low of 43.3°F (6.3°C) and an average high of 61.7°F (16.5°C). The unfolding of March shows an average high-temperature of a comfortable 61.7°F (16.5°C), indicating a slight variance from February's 58.3°F (14.6°C). Weather in March »
Weather in April
April in Rocklin, California, is an agreeable spring month, with an average temperature varying between 68.5°F (20.3°C) and 46.2°F (7.9°C). April's arrival is noted with a slight increase in the average high-temperature, moving from a refreshing 61.7°F (16.5°C) in March 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 an average temperature ranging between min 51.8°F (11°C) and max 76.8°F (24.9°C). A gentle upsurge in temperatures occurs as April gives way to May, with average highs shifting from an agreeable 68.5°F (20.3°C) to a warm 76.8°F (24.9°C). Weather in May »
Weather in June
The first month of the summer, June, is a hot month in Rocklin, California, with temperature in the range of an average high of 87.4°F (30.8°C) and an average low of 57.7°F (14.3°C). An increase in the average high-temperature marks June, moving from May's moderately hot 76.8°F (24.9°C) to a hot 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 is the month when Rocklin's temperatures reach their peak, with averages of 94.1°F (34.5°C) and lows of 60.4°F (15.8°C). July's mean heat index is computed to be a sweltering 98.6°F (37°C). Weather in July »
Weather in August
The last month of the summer, August, is also a hot month in Rocklin, California, with an average temperature ranging between min 60.3°F (15.7°C) and max 92.8°F (33.8°C). The arrival of August denotes a barely perceptible change in the average high-temperatures to a still tropical 92.8°F (33.8°C) 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 an average temperature varying between 87.8°F (31°C) and 58.8°F (14.9°C). The dawn of September sees an average high-temperature of a still tropical 87.8°F (31°C), subtly contrasting with August's 92.8°F (33.8°C). Weather in September »
Weather in October
October, the same as September, is another warm autumn month in Rocklin, California, with an average temperature varying between 75.7°F (24.3°C) and 53.1°F (11.7°C). As September shifts into October, a slight alteration in temperatures is observed, with average highs reducing from a tropical 87.8°F (31°C) to a moderately hot 75.7°F (24.3°C). Weather in October »
Weather in November
The last month of the autumn, November, is another refreshing month in Rocklin, California, with temperature in the range of an average high of 62.6°F (17°C) and an average low of 45.5°F (7.5°C). As November commences, the average high-temperature shows a reduction, transitioning from a moderately hot 75.7°F (24.3°C) in October to an enjoyable 62.6°F (17°C). Weather in November »
Weather in December
The first month of the winter, December, is also a fresh month in Rocklin, California, with temperature in the range of an average high of 54.1°F (12.3°C) and an average low of 40.5°F (4.7°C). The month of December sees the lowest average temperatures, reaching 54.1°F (12.3°C) at the peak and 40.5°F (4.7°C) at the low. Weather in December »
[Resources]Frequently asked questions
How many days does it rain in Rocklin?
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?
In Rocklin, snow does not fall in January through November.
How many days does it snow in Rocklin?
Throughout the year, in Rocklin, there are 0.2 snowfall days.
What is the month with the lowest UV index in Rocklin?
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index.
What is the most humid month in Rocklin?
March is the most humid month in Rocklin, with an average relative humidity of 74%.
What is the wettest month in Rocklin?
The month with the most rainfall in Rocklin, California, is March, when the rain falls for 14.1 days and typically aggregates up to 3.58" (91mm) of precipitation.
When is Daylight Saving Time (DST) in Rocklin?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Rocklin, 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 in Rocklin?
The month with the longest days in Rocklin, California, is June, with an average of 14h and 48min of daylight.
What are the months with the highest UV index in Rocklin?
June and July, with an average maximum UV index of 7, are months with the highest UV index in Rocklin.
What are the warmest months in Rocklin?
In Rocklin, temperatures reach their average annual highs in July, measuring 94.1°F (34.5°C) and a minimum average of 60.4°F (15.8°C).
What is the least humid month in Rocklin?
The least humid month in Rocklin is July, with an average relative humidity of 41%.
What is the driest month in Rocklin?
July and August are months with the least rain in Rocklin, California, when the rain falls for 1.1 days and typically aggregates up to 0.04" (1mm) of rain.
What month has the most sunshine in Rocklin?
July has the most sunshine of the year, with an average of 12.1h of sunshine.
What are the coldest months in Rocklin?
Rocklin's temperature records reveal December as the coldest month, marked by average highs of 54.1°F (12.3°C) and lows of 40.5°F (4.7°C).
When does it snow in Rocklin?
The only month with snowfall in Rocklin is December.
When does it snow the most in Rocklin?
The month with the most snowfall days is December, when snow falls for 0.2 days.
What is the month with the shortest days in Rocklin?
December has the shortest days of the year, with an average of 9h and 30min of daylight.
What is the month with the least sunshine in Rocklin?
The month with the least sunshine in Rocklin, California, 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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