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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, is an icy winter month in Rosamond, Illinois, with temperature in the range of an average high of 34.3°F (1.3°C) and an average low of 22.1°F (-5.5°C). January is the coldest month of the year, registering average temperatures as high as 34.3°F (1.3°C) and as low as 22.1°F (-5.5°C). Weather in January »
Weather in February
The last month of the winter, February, is also an icy month in Rosamond, Illinois, with temperature in the range of an average low of 25.9°F (-3.4°C) and an average high of 39.2°F (4°C). February's presence records an average high-temperature of a still icy 39.2°F (4°C), closely mirroring January's climate. Weather in February »
Weather in March
The first month of the spring, March, is a fresh month in Rosamond, Illinois, with an average temperature ranging between min 36.1°F (2.3°C) and max 51.4°F (10.8°C). The beginning of March marks a shift in the average high-temperature, moving from February's icy 39.2°F (4°C) to a fresh 51.4°F (10.8°C). Weather in March »
Weather in April
April in Rosamond, Illinois, is a refreshing spring month, with an average temperature ranging between min 46.6°F (8.1°C) and max 63.1°F (17.3°C). April indicates a change in the average high-temperature, moving up from a fresh 51.4°F (10.8°C) in March to a refreshing 63.1°F (17.3°C). Weather in April »
Weather in May
May, the last month of the spring in Rosamond, is an agreeable month, with an average temperature fluctuating between 73°F (22.8°C) and 57°F (13.9°C). With the beginning of May, Rosamond's average high-temperature sees an increase, transitioning from a refreshing 63.1°F (17.3°C) in April to a pleasant 73°F (22.8°C). Weather in May »
Weather in June
June, the first month of the summer in Rosamond, is a warm month, with an average temperature fluctuating between 64.9°F (18.3°C) and 81.1°F (27.3°C). The arrival of June signals a slight increase in the average high-temperature, moving from a pleasant 73°F (22.8°C) in May to a warm 81.1°F (27.3°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Rosamond, Illinois, with temperature in the range of an average low of 66.6°F (19.2°C) and an average high of 83.1°F (28.4°C). During the warmest month, July, temperatures average a high of 83.1°F (28.4°C) and a low of 66.6°F (19.2°C). Throughout July, the heat index is calculated to be a hot 93.2°F (34°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Rosamond, Illinois, with an average temperature ranging between min 64.9°F (18.3°C) and max 81.9°F (27.7°C). As Rosamond transitions into August, the average high-temperature stands at a still warm 81.9°F (27.7°C), offering little variation from the preceding month. Weather in August »
Weather in September
September, the first month of the autumn in Rosamond, is still a warm month, with temperature in the range of an average high of 77.4°F (25.2°C) and an average low of 58.8°F (14.9°C). In the transition from August to September, Rosamond reports an average high-temperature of a still moderately hot 77.4°F (25.2°C), indicating a close resemblance to the prior month. Weather in September »
Weather in October
October, the same as September, is another refreshing autumn month in Rosamond, Illinois, with temperature in the range of an average high of 64.2°F (17.9°C) and an average low of 48.2°F (9°C). October shows a mild decline in the average high-temperature, falling from September's warm 77.4°F (25.2°C) to an enjoyable 64.2°F (17.9°C). Weather in October »
Weather in November
November, the last month of the autumn in Rosamond, is another cool month, with an average temperature ranging between min 36.5°F (2.5°C) and max 50.7°F (10.4°C). Setting in of November comes with a decrease in the average high-temperature, moving from a refreshing 64.2°F (17.9°C) in October to a fresh 50.7°F (10.4°C). Weather in November »
Weather in December
The first month of the winter, December, is also an icy month in Rosamond, Illinois, with temperature in the range of an average high of 39.6°F (4.2°C) and an average low of 28.4°F (-2°C). A shift in Rosamond's weather is observed as November turns into December, with the average high temperature reducing from a cool 50.7°F (10.4°C) to a cold 39.6°F (4.2°C). Weather in December »
Updated: Jul 17, 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 time of the year is the coldest in Rosamond?
January is the coldest month, exhibiting average temperatures of 34.3°F (1.3°C) at the peak and 22.1°F (-5.5°C) at the base.
How many days does it rain?
Throughout the year, there are 129.9 rainfall days, and 17.6" (447mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through April, November and December.
How much does it snow?
In Rosamond, during the entire year, snow falls for 21.4 days and aggregates up to 5.2" (132mm) of snow.
What is the month with the least sunshine?
With an average of 4.2h of sunshine, January has the least sunshine of the year.
What is the month with the lowest UV index?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Rosamond, Illinois.
What is the driest month?
The months with the least rainfall are February and December Rain falls for 6.7 days and accumulates 0.98" (25mm) of rain.
When does it snow the most?
February is the month with the most snowfall. Snow falls for 6.3 days and accumulates 1.93" (49mm) of snow.
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 CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.
When it does not snow?
May through October are months without snowfall.
What is the wettest month?
June is the month with the most rainfall in Rosamond. Rain falls for 13.5 days and accumulates 2.2" (56mm) of precipitation.
When are the longest days?
With an average of 14h and 54min of daylight, June has the longest days of the year.
What month has the most sunshine in Rosamond?
June has the most sunshine of the year, with an average of 10.4h of sunshine.
When is the highest UV index?
June through August, with an average maximum UV index of 6, are months with the highest UV index.
What part of the year is the hottest?
Rosamond's warmest month, July, registers temperatures that range from a high of 83.1°F (28.4°C) to a low of 66.6°F (19.2°C).
What is the most humid month?
With an average relative humidity of 83%, July is the most humid month.
What is the least humid month?
October is the least humid month, with an average relative humidity of 70%.
What is the month with the shortest days?
With an average of 9h and 24min of daylight, December has the shortest days of the year.
Average temperature
Rosamond, IL
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (34.3°F).
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).
Average pressure
Rosamond, IL
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.94"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Rosamond, IL
- Average wind speed in January:
10.6mph - Average wind speed in February:
10.4mph - Average wind speed in March:
10.1mph - Average wind speed in April:
10.3mph - Average wind speed in May:
8.5mph - Average wind speed in June:
7.3mph
- Average wind speed in July:
6.1mph - Average wind speed in August:
6.2mph - Average wind speed in September:
6.9mph - Average wind speed in October:
9mph - Average wind speed in November:
9.8mph - Average wind speed in December:
9.8mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).
Average humidity
Rosamond, IL
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (70%).
Average rainfall
Rosamond, IL
- Average rainfall in January:
1.14" - Average rainfall in February:
0.98" - Average rainfall in March:
1.38" - Average rainfall in April:
2.13" - Average rainfall in May:
1.93" - Average rainfall in June:
2.2"
- Average rainfall in July:
1.77" - Average rainfall in August:
1.61" - Average rainfall in September:
1.06" - Average rainfall in October:
1.38" - Average rainfall in November:
1.02" - Average rainfall in December:
0.98"
The wettest month (with the highest rainfall) is June (2.2").
The driest months (with the least rainfall) are February and December (0.98").
Average rainfall days
Rosamond, IL
- Average rainfall days in January:
5.9 days - Average rainfall days in February:
6.7 days - Average rainfall days in March:
11.5 days - Average rainfall days in April:
13.8 days - Average rainfall days in May:
15.2 days - Average rainfall days in June:
13.5 days
- Average rainfall days in July:
14.2 days - Average rainfall days in August:
12.6 days - Average rainfall days in September:
11.5 days - Average rainfall days in October:
9.3 days - Average rainfall days in November:
8.2 days - Average rainfall days in December:
7.5 days
The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is January (5.9 days).
Average snowfall
Rosamond, IL
The month with the highest snowfall is February (1.93").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Rosamond, IL
- Average snowfall days in January:
6.3 days - Average snowfall days in February:
6.3 days - Average snowfall days in March:
2.7 days - Average snowfall days in April:
0.3 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:
0.1 days - Average snowfall days in November:
1.4 days - Average snowfall days in December:
4.3 days
The months with the highest number of snowfall days are January and February (6.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Rosamond, IL
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - 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 0min - Average daylight in December:
9h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January:
4h and 1min - Average sunshine in February:
4h and 2min - Average sunshine in March:
6h and 2min - Average sunshine in April:
8h and 1min - Average sunshine in May:
9h and 1min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
9h and 5min - Average sunshine in September:
9h and 1min - Average sunshine in October:
6h and 1min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days
Rosamond, IL
- Average sunshine days in January:
20.2 days - Average sunshine days in February:
16 days - Average sunshine days in March:
16.3 days - Average sunshine days in April:
14.2 days - Average sunshine days in May:
13.1 days - Average sunshine days in June:
13.3 days
- Average sunshine days in July:
13.9 days - Average sunshine days in August:
15.4 days - Average sunshine days in September:
17.2 days - Average sunshine days in October:
19.8 days - Average sunshine days in November:
20.1 days - Average sunshine days in December:
19.7 days
The month with the most sunshine days is January (20.2 days).
The month with the least sunshine days is May (13.1 days).
Average UV index
Rosamond, IL
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Rosamond, IL
The months with the most cloud cover are January and February (Cloud cover 54).
The months with the least cloud cover are June and September (Cloud cover 29).
Average visibility
Rosamond, IL
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
Rosamond, Illinois, USA
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