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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 daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, in Roseland, California, is another refreshing winter month, with an average temperature ranging between max 57.2°F (14°C) and min 43.2°F (6.2°C). Stepping into January, Roseland records an average high-temperature of a still mild 57.2°F (14°C), almost consistent with December. Weather in January »
Weather in February
The last month of the winter, February, is also a moderate month in Roseland, California, with an average temperature fluctuating between 58.8°F (14.9°C) and 42.8°F (6°C). With the onset of February, Roseland's average high-temperature clocks in at a still mild 58.8°F (14.9°C), showing a minor fluctuation from the previous month. Weather in February »
Weather in March
The first month of the spring, March, is still a mild month in Roseland, California, with an average temperature varying between 43.5°F (6.4°C) and 60.4°F (15.8°C). Roseland records an average high-temperature of a still mild 60.4°F (15.8°C) as March arrives, nearly mirroring the previous month's climate. Weather in March »
Weather in April
April is an enjoyable spring month in Roseland, California, with an average temperature varying between 64.9°F (18.3°C) and 45.5°F (7.5°C). A minor adjustment in Roseland's average high-temperature is noted with the start of April, touching a still refreshing 64.9°F (18.3°C) from March's 60.4°F (15.8°C). Weather in April »
Weather in May
May, the last month of the spring in Roseland, is a pleasant month, with an average temperature varying between 69.1°F (20.6°C) and 48.6°F (9.2°C). Roseland records an average high-temperature of an agreeable 69.1°F (20.6°C) as May arrives, nearly mirroring the previous month's climate. Weather in May »
Weather in June
June, the first month of the summer in Roseland, is a moderately hot month, with an average temperature varying between 53.1°F (11.7°C) and 76.3°F (24.6°C). June witnesses a subtle temperature ascent, adjusting from an agreeable 69.1°F (20.6°C) in May to a moderately hot 76.3°F (24.6°C). Weather in June »
Weather in July
July, like June, in Roseland, California, is a moderately hot summer month, with an average temperature fluctuating between 54.1°F (12.3°C) and 79.3°F (26.3°C). The average high-temperature for July is a still moderately hot 79.3°F (26.3°C), closely aligning with the temperature of the preceding month. Weather in July »
Weather in August
August, the last month of the summer in Roseland, is another warm month, with temperature in the range of an average high of 79.7°F (26.5°C) and an average low of 54.7°F (12.6°C). Roseland registers the highest average temperatures during the month of August, with peaks of 79.7°F (26.5°C) and lows of 54.7°F (12.6°C). Weather in August »
Weather in September
September, the first month of the autumn in Roseland, is still a warm month, with an average temperature varying between 54.7°F (12.6°C) and 79°F (26.1°C). September is marked by an average high-temperature of a still warm 79°F (26.1°C), almost identical to the preceding month. Weather in September »
Weather in October
October, the same as September, in Roseland, California, is an agreeable autumn month, with temperature in the range of an average high of 72.3°F (22.4°C) and an average low of 51.8°F (11°C). October heralds a minor drop in average high-temperature, sliding from September's moderately hot 79°F (26.1°C) to an agreeable 72.3°F (22.4°C). Weather in October »
Weather in November
November, the last month of the autumn in Roseland, is another comfortable month, with an average temperature ranging between max 63.1°F (17.3°C) and min 46°F (7.8°C). November's arrival coincides with a drop in the average high-temperature, decreasing from October's pleasant 72.3°F (22.4°C) to a comfortable 63.1°F (17.3°C). Weather in November »
Weather in December
December, the first month of the winter in Roseland, is also a moderate month, with an average temperature fluctuating between 41.9°F (5.5°C) and 55.6°F (13.1°C). December, recording an average high temperature of 55.6°F (13.1°C) and a low temperature of 41.9°F (5.5°C), is Roseland's coldest month. Weather in December »
[Resources]Frequently asked questions
How many days does it rain in Roseland?
Throughout the year, in Roseland, there are 72.8 rainfall days, and 12.01" (305mm) of precipitation is accumulated.
What are the months with the lowest UV index in Roseland?
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3.
What is the rainiest month in Roseland?
The month with the most rainfall in Roseland is February, when the rain falls for 9.1 days and typically aggregates up to 2.64" (67mm) of precipitation.
What is the most humid month in Roseland?
March is the most humid month in Roseland, with an average relative humidity of 77%.
When is Daylight Saving Time (DST) in Roseland?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Roseland, 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 Roseland?
With an average of 14h and 48min of daylight, June has the longest days of the year in Roseland.
What is the month with the highest UV index in Roseland?
The month with the highest UV index is June, with an average maximum UV index of 6.
What is the driest month in Roseland?
The months with the least rainfall are July and August Rain falls for 1.5 days and accumulates 0.04" (1mm) of rain.
What month has the most sunshine in Roseland?
July has the most sunshine of the year in Roseland, with an average of 11.9h of sunshine.
What month is the hottest in Roseland?
August is the warmest month, with an average high-temperature of 79.7°F (26.5°C) and an average low-temperature of 54.7°F (12.6°C).
What is the least humid month in Roseland?
September is the least humid month in Roseland, with an average relative humidity of 63%.
What part of the year is the coldest in Roseland?
Temperature readings in Roseland, California, reach their annual highs in December, averaging 55.6°F (13.1°C) and a minimum average of 41.9°F (5.5°C).
What is the month with the shortest days in Roseland?
The month with the shortest days is December, with an average of 9h and 30min of daylight.
What is the month with the least sunshine in Roseland?
With an average of 5.7h of sunshine, December has the least sunshine of the year in Roseland, California.
Average temperature
Roseland, CA
The warmest month (with the highest average high temperature) is August (79.7°F).
The month with the lowest average high temperature is December (55.6°F).
The months with the highest average low temperature are August and September (54.7°F).
The coldest month (with the lowest average low temperature) is December (41.9°F).
Average pressure
Roseland, CA
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.07"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
30.03"Hg - Average pressure in May:
29.98"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.92"Hg - Average pressure in September:
29.92"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.1"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed
Roseland, CA
- Average wind speed in January:
5.2mph - Average wind speed in February:
6mph - Average wind speed in March:
6.5mph - Average wind speed in April:
7mph - Average wind speed in May:
7.1mph - Average wind speed in June:
6.8mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.2mph - Average wind speed in September:
5.2mph - Average wind speed in October:
5.1mph - Average wind speed in November:
4.9mph - Average wind speed in December:
5.2mph
The windiest month (with the highest average wind speed) is May (7.1mph).
The calmest month (with the lowest average wind speed) is November (4.9mph).
Average humidity
Roseland, CA
The month with the highest relative humidity is March (77%).
The month with the lowest relative humidity is September (63%).
Average rainfall
Roseland, CA
- Average rainfall in January:
2.01" - Average rainfall in February:
2.64" - Average rainfall in March:
2.01" - Average rainfall in April:
0.55" - Average rainfall in May:
0.55" - Average rainfall in June:
0.12"
- Average rainfall in July:
0.04" - Average rainfall in August:
0.04" - Average rainfall in September:
0.12" - Average rainfall in October:
0.67" - Average rainfall in November:
1.02" - Average rainfall in December:
2.24"
The wettest month (with the highest rainfall) is February (2.64").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days
Roseland, CA
- Average rainfall days in January:
10 days - Average rainfall days in February:
9.1 days - Average rainfall days in March:
12.6 days - Average rainfall days in April:
7 days - Average rainfall days in May:
5.3 days - Average rainfall days in June:
1.9 days
- Average rainfall days in July:
1.5 days - Average rainfall days in August:
0.8 days - Average rainfall days in September:
2.8 days - Average rainfall days in October:
4.8 days - Average rainfall days in November:
6.5 days - Average rainfall days in December:
10.5 days
The month with the highest number of rainy days is March (12.6 days).
The month with the least rainy days is August (0.8 days).
Average daylight / Average sunshine
Roseland, 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 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 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:
5h and 5min - Average sunshine in February:
6h and 1min - Average sunshine in March:
7h and 3min - Average sunshine in April:
10h and 1min - Average sunshine in May:
10h and 3min - Average sunshine in June:
11h and 4min
- Average sunshine in July:
11h and 5min - Average sunshine in August:
11h and 5min - Average sunshine in September:
11h and 0min - Average sunshine in October:
6h and 5min - Average sunshine in November:
6h and 3min - Average sunshine in December:
5h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days
Roseland, CA
- Average sunshine days in January:
19.9 days - Average sunshine days in February:
18.1 days - Average sunshine days in March:
17.1 days - Average sunshine days in April:
21.8 days - Average sunshine days in May:
23.4 days - Average sunshine days in June:
26.5 days
- Average sunshine days in July:
27.2 days - Average sunshine days in August:
27.1 days - Average sunshine days in September:
26.5 days - Average sunshine days in October:
24.8 days - Average sunshine days in November:
21.9 days - Average sunshine days in December:
19.5 days
The month with the most sunshine days is July (27.2 days).
The month with the least sunshine days is March (17.1 days).
Average UV index
Roseland, CA
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover
Roseland, CA
The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility
Roseland, 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).
Roseland, California, USA
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