Pomona, California Climate
United States
Pop. 153,266 Elev. 264 m / 866 ft
TZ: America/Los_Angeles (UTC-7) ·
Pomona has a dry climate with warm summers reaching 88°F (31°C) in August and cool winters averaging 43°F (6°C) in January. Rain falls on about 25 days per year (20.6 in / 523 mm total). The city averages 240 sunny days per year. Ocean water temperatures reach 73°F (23°C) in summer.
| Temperature | 88°F (31°C) high | 43°F (6°C) low |
| Feels like | 92°F (33°C) high | 43°F (6°C) low |
| Rain | 25 days | 20.6 in (523 mm) /yr |
| Sky | 240 sunny | 11 stormy |
| Wind | 2.3 mph (1.0 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Jan, Apr, May, Jun, Jul, Aug, Sep, Oct
Sky & Air by Month
Cloud cover (%)
32
Jan 54
Feb 52
Mar 38
Apr 42
May 23
Jun 14
Jul 15
Aug 28
Sep 21
Oct 44
Nov 38
Dec Humidity (%)
32
Jan 62
Feb 67
Mar 60
Apr 64
May 63
Jun 58
Jul 55
Aug 61
Sep 58
Oct 64
Nov 57
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 9 mi Ontario International Airport (ONT)
Ski resort 17 mi Mt. Baldy Resort
National park 19 mi Pío Pico State Historic Park
Mountain peak
(5,401 ft) 10 mi Sunset Point
Hospital 2 mi Pomona Valley Hospital Medical Center
Hiking trail 3 mi Park View Trail
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 66°F 19°C | 43°F 6°C | 0.8 in 19 mm | — | 19 |
| February | 68°F 20°C | 48°F 9°C | 4.0 in 103 mm | — | 9 |
| March | 65°F 18°C | 47°F 8°C | 2.9 in 74 mm | — | 12 |
| April | 69°F 21°C | 50°F 10°C | 0.7 in 19 mm | — | 15 |
| May | 76°F 25°C | 56°F 14°C | 0.3 in 8 mm | — | 16 |
| June | 80°F 27°C | 61°F 16°C | 0.2 in 5 mm | — | 26 |
| July | 83°F 28°C | 62°F 17°C | 0.0 in 0 mm | — | 29 |
| August | 88°F 31°C | 66°F 19°C | 0.0 in 1 mm | — | 30 |
| September | 84°F 29°C | 65°F 18°C | 0.7 in 19 mm | — | 21 |
| October | 78°F 25°C | 56°F 14°C | 1.8 in 45 mm | — | 27 |
| November | 71°F 22°C | 52°F 11°C | 5.0 in 126 mm | — | 17 |
| December | 69°F 21°C | 49°F 9°C | 4.2 in 107 mm | — | 19 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 19 | 1 |
| February | 9 | 1 |
| March | 12 | 1 |
| April | 15 | 1 |
| May | 16 | 0 |
| June | 26 | 0 |
| July | 29 | 0 |
| August | 30 | 0 |
| September | 21 | 1 |
| October | 27 | 1 |
| November | 17 | 3 |
| December | 19 | 2 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 59°F 15°C | 53°F 12°C |
| February | 59°F 15°C | 55°F 13°C |
| March | 59°F 15°C | 57°F 14°C |
| April | 61°F 16°C | 62°F 17°C |
| May | 66°F 19°C | 68°F 20°C |
| June | 68°F 20°C | 73°F 23°C |
| July | 70°F 21°C | 75°F 24°C |
| August | 73°F 23°C | 78°F 26°C |
| September | 72°F 22°C | 78°F 25°C |
| October | 69°F 21°C | 71°F 21°C |
| November | 67°F 19°C | 65°F 18°C |
| December | 65°F 18°C | 58°F 14°C |