Expand
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, like December, is a moderate winter month in Roseland, California, with an average temperature fluctuating between 57.2°F (14°C) and 43.2°F (6.2°C). December's transformation into January witnesses an average high-temperature of a still moderate 57.2°F (14°C), noting a minor change from the preceding month. Weather in January »
Weather in February
The last month of the winter, February, is another refreshing month in Roseland, California, with an average temperature ranging between min 42.8°F (6°C) and max 58.8°F (14.9°C). Roseland's average high-temperature in February is a still mild 58.8°F (14.9°C), marking an insignificant difference from the 57.2°F (14°C) of January. 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 ranging between min 43.5°F (6.4°C) and max 60.4°F (15.8°C). Roseland indicates an average high-temperature of a still moderate 60.4°F (15.8°C) in March, showing minor variation from February's 58.8°F (14.9°C). Weather in March »
Weather in April
April is a refreshing spring month in Roseland, California, with an average temperature ranging between min 45.5°F (7.5°C) and max 64.9°F (18.3°C). April denotes a minimal variation in the average high-temperature to a comfortable 64.9°F (18.3°C) from March's 60.4°F (15.8°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Roseland, California, with an average temperature fluctuating between 48.6°F (9.2°C) and 69.1°F (20.6°C). As April transitions into May, the average high-temperature rests at an agreeable 69.1°F (20.6°C), maintaining a close resemblance to the previous month. Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Roseland, California, with an average temperature varying between 53.1°F (11.7°C) and 76.3°F (24.6°C). June brings a slight increase in the average high-temperature, progressing from an agreeable 69.1°F (20.6°C) in May to a warm 76.3°F (24.6°C). Weather in June »
Weather in July
July, like June, in Roseland, California, is another warm summer month, with an average temperature varying between 79.3°F (26.3°C) and 54.1°F (12.3°C). During July, Roseland records an average high-temperature of a still warm 79.3°F (26.3°C), marking a slight divergence from June's 76.3°F (24.6°C). Weather in July »
Weather in August
August, the last month of the summer in Roseland, is also a moderately hot month, with an average temperature fluctuating between 54.7°F (12.6°C) and 79.7°F (26.5°C). August, on average, is the warmest month, registering a high temperature of 79.7°F (26.5°C) and a low of 54.7°F (12.6°C). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Roseland, California, with an average temperature fluctuating between 79°F (26.1°C) and 54.7°F (12.6°C). Roseland's weather, upon September's arrival, documents an average high-temperature of a still warm 79°F (26.1°C), nearly identical to the prior month. Weather in September »
Weather in October
October, like September, is another pleasant autumn month in Roseland, California, with an average temperature ranging between min 51.8°F (11°C) and max 72.3°F (22.4°C). In Roseland, the average high-temperature in October gently drops from a warm 79°F (26.1°C) in September to an agreeable 72.3°F (22.4°C). Weather in October »
Weather in November
The last month of the autumn, November, is another comfortable month in Roseland, California, with an average temperature varying between 46°F (7.8°C) and 63.1°F (17.3°C). In Roseland, the beginning of November is marked by a lowered average high-temperature, shifting from October's pleasant 72.3°F (22.4°C) to a refreshing 63.1°F (17.3°C). Weather in November »
Weather in December
The first month of the winter, December, is still a refreshing month in Roseland, California, with temperature in the range of an average low of 41.9°F (5.5°C) and an average high of 55.6°F (13.1°C). December, with its high-temperature average of 55.6°F (13.1°C) and a low-temperature average of 41.9°F (5.5°C), is the coldest month. Weather in December »
Updated: Jun 6, 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?
Throughout the year, there are 72.8 rainfall days, and 12.01" (305mm) of precipitation is accumulated.
What are the months with 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 rainiest month?
February is the month with the most rainfall. Rain falls for 9.1 days and accumulates 2.64" (67mm) of precipitation.
What is the most humid month?
With an average relative humidity of 77%, March is the most humid month.
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 48min of daylight.
When is the highest UV index?
June is the month with the highest UV index, with an average maximum UV index of 6.
What is the driest month?
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?
The month with the most sunshine is July, with an average of 11.9h of sunshine.
What is the hottest time of year?
With average temperatures fluctuating between a high of 79.7°F (26.5°C) and a low of 54.7°F (12.6°C), August stands out as the warmest month.
What is the least humid month?
The least humid month is September, with an average relative humidity of 63%.
What is the coldest month?
The coldest month is December, with an average high-temperature of 55.6°F (13.1°C) and an average low-temperature of 41.9°F (5.5°C).
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 5.7h of sunshine.
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
Weather forecast for your location
1. Click Locate me button
2. Allow the app to use your location
2. Allow the app to use your location