Climate and monthly weather forecastCovina, CA
Climate and monthly weather forecast
Weather in January
January, the same as December, is another refreshing winter month in Covina, California, with temperature in the range of an average high of 65.1°F (18.4°C) and an average low of 47.7°F (8.7°C). The shift to January signals an average high-temperature of a still refreshing 65.1°F (18.4°C), subtly varied from December's 63.1°F (17.3°C). Weather in January »Weather in February
February, the last month of the winter in Covina, is another comfortable month, with an average temperature ranging between min 46.4°F (8°C) and max 64.9°F (18.3°C). The onset of February brings an average high-temperature of a still comfortable 64.9°F (18.3°C), nearly matching the January temperature. Weather in February »Weather in March
The first month of the spring, March, is a pleasant month in Covina, California, with temperature in the range of an average high of 68.5°F (20.3°C) and an average low of 48°F (8.9°C). With March's arrival, Covina's weather records an average high-temperature of an agreeable 68.5°F (20.3°C), marking little difference from February's 64.9°F (18.3°C). Weather in March »Weather in April
April, the same as March, in Covina, California, is another pleasant spring month, with an average temperature fluctuating between 72.9°F (22.7°C) and 50.7°F (10.4°C). Covina experiences a subtle adjustment in high-temperatures to a still pleasant 72.9°F (22.7°C) with the onset of April, maintaining near parity with March's 68.5°F (20.3°C). Weather in April »Weather in May
May, the last month of the spring in Covina, is a warm month, with an average temperature fluctuating between 54.1°F (12.3°C) and 75.7°F (24.3°C). The beginning of May reveals an average high-temperature of a warm 75.7°F (24.3°C), showing minimal deviation from the previous month. Weather in May »Weather in June
June, the first month of the summer in Covina, is still a warm month, with an average temperature fluctuating between 57.9°F (14.4°C) and 82°F (27.8°C). The transition from May to June brings a subtle temperature rise, with average high-temperatures increasing from a warm 75.7°F (24.3°C) to a still moderately hot 82°F (27.8°C). Weather in June »Weather in July
July in Covina, California, is a hot summer month, with an average temperature varying between 63.9°F (17.7°C) and 87.4°F (30.8°C). In July, the average high-temperature marginally rises from a warm 82°F (27.8°C) in June to a hot 87.4°F (30.8°C). Weather in July »Weather in August
The last month of the summer, August, is another tropical month in Covina, California, with temperature in the range of an average high of 89.1°F (31.7°C) and an average low of 65.1°F (18.4°C). In Covina, August is identified by the highest average temperatures, reaching a peak of 89.1°F (31.7°C) and a low of 65.1°F (18.4°C). The heat index value during August is evaluated at a tropical 91.4°F (33°C). Weather in August »Weather in September
September, the first month of the autumn in Covina, is still a tropical month, with an average temperature ranging between min 63.5°F (17.5°C) and max 86.5°F (30.3°C). Covina greets September with an average high-temperature of a still tropical 86.5°F (30.3°C), marking a slight deviation from the preceding month. Weather in September »Weather in October
October, the same as September, is a moderately hot autumn month in Covina, California, with temperature in the range of an average low of 58.5°F (14.7°C) and an average high of 79°F (26.1°C). The shift from September to October includes a minor decrease in the average high-temperature, lightly dropping from a tropical 86.5°F (30.3°C) to a moderately hot 79°F (26.1°C). Weather in October »Weather in November
The last month of the autumn, November, is also an agreeable month in Covina, California, with an average temperature fluctuating between 52.7°F (11.5°C) and 70.9°F (21.6°C). November ushers in a minor alteration in Covina's climate, with the average high-temperature moving from October's warm 79°F (26.1°C) to a pleasant 70.9°F (21.6°C). Weather in November »Weather in December
The first month of the winter, December, is still a refreshing month in Covina, California, with temperature in the range of an average low of 47.1°F (8.4°C) and an average high of 63.1°F (17.3°C). December brings the lowest temperatures, with an average high of 63.1°F (17.3°C) and an average low of 47.1°F (8.4°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Covina, CA
The warmest month (with the highest average high temperature) is August (89.1°F).
The month with the lowest average high temperature is December (63.1°F).
The month with the highest average low temperature is August (65.1°F).
The coldest month (with the lowest average low temperature) is February (46.4°F).
Average pressure
Covina, CA
- Average pressure in January:
30.1"Hg - Average pressure in February:
30.05"Hg - Average pressure in March:
30.02"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.91"Hg - Average pressure in June:
29.87"Hg
- Average pressure in July:
29.9"Hg - Average pressure in August:
29.89"Hg - Average pressure in September:
29.88"Hg - Average pressure in October:
29.95"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 (29.87"Hg).
Average wind speed
Covina, CA
- Average wind speed in January:
5.3mph - Average wind speed in February:
4.9mph - Average wind speed in March:
5.1mph - Average wind speed in April:
5.7mph - Average wind speed in May:
5.7mph - Average wind speed in June:
5.2mph
- Average wind speed in July:
4.9mph - Average wind speed in August:
4.6mph - Average wind speed in September:
4.4mph - Average wind speed in October:
4.5mph - Average wind speed in November:
4.8mph - Average wind speed in December:
5.1mph
The windiest months (with the highest average wind speed) are April and May (5.7mph).
The calmest month (with the lowest average wind speed) is September (4.4mph).
Average humidity
Covina, CA
The month with the highest relative humidity is May (56%).
The month with the lowest relative humidity is November (45%).
Average rainfall
Covina, CA
- Average rainfall in January:
1.1" - Average rainfall in February:
1.42" - Average rainfall in March:
0.79" - Average rainfall in April:
0.59" - Average rainfall in May:
0.2" - Average rainfall in June:
0.04"
The wettest month (with the highest rainfall) is December (1.5").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days
Covina, CA
- Average rainfall days in January:
5.1 days - Average rainfall days in February:
5.3 days - Average rainfall days in March:
6.3 days - Average rainfall days in April:
5.3 days - Average rainfall days in May:
3.3 days - Average rainfall days in June:
1.3 days
- Average rainfall days in July:
3.6 days - Average rainfall days in August:
2 days - Average rainfall days in September:
2.7 days - Average rainfall days in October:
3.1 days - Average rainfall days in November:
3.8 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 (1.3 days).
Average daylight / Average sunshine
Covina, 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:
8h and 54min - Average sunshine in April:
11h and 24min - Average sunshine in May:
11h and 42min - 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 48min - Average sunshine in October:
8h and 42min - Average sunshine in November:
7h and 18min - 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
Covina, CA
- Average sunshine days in January:
25.1 days - Average sunshine days in February:
22 days - Average sunshine days in March:
24.6 days - Average sunshine days in April:
23.8 days - Average sunshine days in May:
26.2 days - Average sunshine days in June:
28 days
- Average sunshine days in July:
25 days - Average sunshine days in August:
26.6 days - Average sunshine days in September:
25.4 days - Average sunshine days in October:
26.8 days - Average sunshine days in November:
25.5 days - Average sunshine days in December:
23.9 days
The month with the most sunshine days is June (28 days).
The month with the least sunshine days is February (22 days).
Average UV index
Covina, CA
The month with the highest UV index is August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover
Covina, CA
The months with the most cloud cover are March and December (Cloud cover 21).
The month with the least cloud cover is August (Cloud cover 4).
Average visibility
Covina, 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).





