Climate and monthly weather forecastEtiwanda, CA
Climate and monthly weather forecast
Weather in January
January, the same as December, is another enjoyable winter month in Etiwanda, California, with an average temperature fluctuating between 46.2°F (7.9°C) and 64°F (17.8°C). Etiwanda notes an average high-temperature of a still enjoyable 64°F (17.8°C) in January, hardly diverging from December. Weather in January »Weather in February
The last month of the winter, February, is also an enjoyable month in Etiwanda, California, with temperature in the range of an average high of 64°F (17.8°C) and an average low of 45.3°F (7.4°C). The shift into February uncovers an average high-temperature of a still enjoyable 64°F (17.8°C), maintaining the same temperature as the previous month. Weather in February »Weather in March
March, the first month of the spring in Etiwanda, is an agreeable month, with an average temperature varying between 68.4°F (20.2°C) and 46.9°F (8.3°C). As March takes hold, the average high-temperature is a pleasant 68.4°F (20.2°C), nearly mirroring that of the previous month. Weather in March »Weather in April
April, the same as March, in Etiwanda, California, is another pleasant spring month, with an average temperature fluctuating between 72.9°F (22.7°C) and 50.5°F (10.3°C). Shifting into April, Etiwanda records an average high-temperature of a still pleasant 72.9°F (22.7°C), presenting minor fluctuations compared to the previous month. Weather in April »Weather in May
May, the last month of the spring in Etiwanda, is a moderately hot month, with temperature in the range of an average low of 53.6°F (12°C) and an average high of 76.6°F (24.8°C). Etiwanda's transition from April to May introduces an average high-temperature of a warm 76.6°F (24.8°C), marking an insignificant variation from the 72.9°F (22.7°C). Weather in May »Weather in June
The first month of the summer, June, is still a warm month in Etiwanda, California, with an average temperature ranging between min 58.6°F (14.8°C) and max 84.7°F (29.3°C). June brings a slight increase in the average high-temperature, progressing from a warm 76.6°F (24.8°C) in May to a still moderately hot 84.7°F (29.3°C). Weather in June »Weather in July
July is a tropical summer month in Etiwanda, California, with an average temperature varying between 64.8°F (18.2°C) and 90.5°F (32.5°C). July's arrival sees a mild rise in the average high-temperature, transitioning from June's warm 84.7°F (29.3°C) to a tropical 90.5°F (32.5°C). Weather in July »Weather in August
The last month of the summer, August, is also a hot month in Etiwanda, California, with an average temperature fluctuating between 91.8°F (33.2°C) and 66.6°F (19.2°C). With average temperatures fluctuating between a high of 91.8°F (33.2°C) and a low of 66.6°F (19.2°C), August stands out as the warmest month. During August, the heat index is calculated to be a hot 93.2°F (34°C). Weather in August »Weather in September
September, the first month of the autumn in Etiwanda, is still a hot month, with an average temperature fluctuating between 63.7°F (17.6°C) and 88.3°F (31.3°C). In Etiwanda, September's average high-temperature stands at a still hot 88.3°F (31.3°C), closely related to the preceding month. Weather in September »Weather in October
October, like September, in Etiwanda, California, is a moderately hot autumn month, with an average temperature ranging between min 57.6°F (14.2°C) and max 79.2°F (26.2°C). The onset of October comes with a shift in the average high-temperature, falling from a hot 88.3°F (31.3°C) in September to a moderately hot 79.2°F (26.2°C). Weather in October »Weather in November
November, the last month of the autumn in Etiwanda, is another pleasant month, with an average temperature fluctuating between 50.9°F (10.5°C) and 70.7°F (21.5°C). The onset of November entails a subtle temperature shift, as the average high-temperature eases from a moderately hot 79.2°F (26.2°C) in October to an agreeable 70.7°F (21.5°C). Weather in November »Weather in December
The first month of the winter, December, is also an enjoyable month in Etiwanda, California, with an average temperature varying between 45.3°F (7.4°C) and 61.7°F (16.5°C). Etiwanda witnesses the coldest weather in December, with temperatures averaging a high of 61.7°F (16.5°C) and a low of 45.3°F (7.4°C). Weather in December »Updated: Aug 22, 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
Throughout the year, there are 42.3 rainfall days, and 4.53" (115mm) of precipitation is accumulated.
January, March through December are months without snowfall.
In Etiwanda, during the entire year, snow falls for 0.1 days.
The months with the highest humidity are February, March and May, with an average relative humidity of 53%.
The month with the most rainfall is February, when the rain falls for 4.5 days and typically aggregates up to 0.98" (25mm) of precipitation.
The only month with snowfall is February.
The month with the most snowfall days is February, when snow falls for 0.1 days.
February and December, with an average of 6.9h of sunshine, are months with the least sunshine.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Etiwanda, 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.
The month with the least rainfall is June, when the rain falls for 0.9 days and typically collects 0.04" (1mm) of precipitation.
With an average of 14h and 24min of daylight, June has the longest days of the year in Etiwanda.
July has the most sunshine of the year, with an average of 12.1h of sunshine.
July and August, with an average maximum UV index of 7, are months with the highest UV index in Etiwanda.
August is the month when Etiwanda, California, sees the average highest temperatures, with a high of 91.8°F (33.2°C) and a low of 66.6°F (19.2°C).
The least humid month is August, with an average relative humidity of 41%.
December is the month that records the lowest temperatures, with averages ranging from a high of 61.7°F (16.5°C) to a low of 45.3°F (7.4°C).
The month with the shortest days is December, with an average of 9h and 54min of daylight.
December is the month with the lowest UV index, with an average maximum UV index of 3.
Average temperature
Etiwanda, CA
The warmest month (with the highest average high temperature) is August (91.8°F).
The month with the lowest average high temperature is December (61.7°F).
The month with the highest average low temperature is August (66.6°F).
The coldest months (with the lowest average low temperature) are February and December (45.3°F).
Average pressure
Etiwanda, CA
- Average pressure in January:
30.1"Hg - Average pressure in February:
30.04"Hg - Average pressure in March:
30.02"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.9"Hg - Average pressure in June:
29.86"Hg
- Average pressure in July:
29.89"Hg - Average pressure in August:
29.88"Hg - Average pressure in September:
29.88"Hg - Average pressure in October:
29.94"Hg - Average pressure in November:
30.03"Hg - Average pressure in December:
30.07"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed
Etiwanda, CA
- Average wind speed in January:
5.3mph - Average wind speed in February:
5mph - Average wind speed in March:
5.3mph - Average wind speed in April:
5.8mph - Average wind speed in May:
5.9mph - Average wind speed in June:
5.5mph
- Average wind speed in July:
5.1mph - Average wind speed in August:
4.8mph - Average wind speed in September:
4.5mph - Average wind speed in October:
4.8mph - Average wind speed in November:
5mph - Average wind speed in December:
5.2mph
The windiest month (with the highest average wind speed) is May (5.9mph).
The calmest month (with the lowest average wind speed) is September (4.5mph).
Average humidity
Etiwanda, CA
The months with the highest relative humidity are February, March and May (53%).
The month with the lowest relative humidity is August (41%).
Average rainfall
Etiwanda, CA
- Average rainfall in January:
0.51" - Average rainfall in February:
0.98" - Average rainfall in March:
0.39" - Average rainfall in April:
0.47" - Average rainfall in May:
0.2" - Average rainfall in June:
0.04"
- Average rainfall in July:
0.16" - Average rainfall in August:
0.12" - Average rainfall in September:
0.08" - Average rainfall in October:
0.16" - Average rainfall in November:
0.51" - Average rainfall in December:
0.91"
The wettest month (with the highest rainfall) is February (0.98").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days
Etiwanda, CA
- Average rainfall days in January:
4.6 days - Average rainfall days in February:
4.5 days - Average rainfall days in March:
6.3 days - Average rainfall days in April:
5.4 days - Average rainfall days in May:
3.2 days - Average rainfall days in June:
0.9 days
- Average rainfall days in July:
2.8 days - Average rainfall days in August:
1.9 days - Average rainfall days in September:
1.8 days - Average rainfall days in October:
2.1 days - Average rainfall days in November:
3.3 days - Average rainfall days in December:
5.5 days
The month with the highest number of rainy days is March (6.3 days).
The month with the least rainy days is June (0.9 days).
Average snowfall days
Etiwanda, CA
- Average snowfall days in January:
0 days - Average snowfall days in February:
0.1 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 days
The month with the highest number of snowfall days is February (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight / Average sunshine
Etiwanda, CA
- Average daylight in January:
10h and 12min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 6min - Average daylight in May:
14h and 0min - Average daylight in June:
14h and 24min
- Average daylight in July:
14h and 12min - Average daylight in August:
13h and 24min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 24min - Average daylight in December:
9h and 54min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in January:
7h and 0min - Average sunshine in February:
6h and 54min - Average sunshine in March:
9h and 6min - Average sunshine in April:
11h and 24min - Average sunshine in May:
11h and 48min - Average sunshine in June:
12h and 0min
- Average sunshine in July:
12h and 6min - Average sunshine in August:
12h and 0min - Average sunshine in September:
10h and 42min - Average sunshine in October:
8h and 54min - Average sunshine in November:
7h and 24min - Average sunshine in December:
6h and 54min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are February and December (Average sunshine: 6h and 54min).
Average sunshine days
Etiwanda, CA
- Average sunshine days in January:
25.8 days - Average sunshine days in February:
22.8 days - Average sunshine days in March:
24.6 days - Average sunshine days in April:
24 days - Average sunshine days in May:
26.2 days - Average sunshine days in June:
28.3 days
- Average sunshine days in July:
25.3 days - Average sunshine days in August:
26.8 days - Average sunshine days in September:
26 days - Average sunshine days in October:
27.4 days - Average sunshine days in November:
26 days - Average sunshine days in December:
24.4 days
The month with the most sunshine days is June (28.3 days).
The month with the least sunshine days is February (22.8 days).
Average UV index
Etiwanda, CA
The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover
Etiwanda, CA
The months with the most cloud cover are February and December (Cloud cover 21).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility
Etiwanda, 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).
