Middletown, California Climate
United States
Pop. 1,323 Elev. 336 m / 1,102 ft
TZ: America/Los_Angeles (UTC-7) ·
Middletown has a dry climate with hot summers reaching 94°F (34°C) in August and cool winters averaging 40°F (4°C) in January. Rain falls on about 29 days per year (25.7 in / 652 mm total). The city averages 233 sunny days per year. Ocean water temperatures reach 59°F (15°C) in summer.
| Temperature | 94°F (35°C) high | 40°F (5°C) low |
| Feels like | 92°F (33°C) high | 40°F (5°C) low |
| Rain | 29 days | 25.7 in (652 mm) /yr |
| Sky | 233 sunny | 18 stormy |
| Wind | 2.2 mph (1.0 m/s) avg |
Looking for a place with a climate like Middletown? Explore and filter 150,000+ cities worldwide.
Explore on the MapMonthly Climate Chart
Best months to visit: Jan, Apr, May, Sep, Oct
Sky & Air by Month
Cloud cover (%)
26
Jan 60
Feb 56
Mar 44
Apr 20
May 8
Jun 9
Jul 8
Aug 31
Sep 38
Oct 57
Nov 53
Dec Humidity (%)
52
Jan 68
Feb 66
Mar 59
Apr 42
May 39
Jun 46
Jul 38
Aug 51
Sep 61
Oct 74
Nov 77
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 20 mi Charles M. Schulz Sonoma County Airport (STS)
Ski resort 128 mi Sugar Bowl Resort
National park 13 mi
Mountain peak
(6,113 ft) 35 mi Goat Mountain
Hospital 13 mi Adventist Health Clear Lake
Hiking trail 36 mi Bay Area Ridge Trail - 01 - North Bay
Interested in Middletown?
Hotels
Flights
Real Estate
Insurance
Connectivity
Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 62°F 17°C | 40°F 5°C | 0.8 in 19 mm | — | 25 |
| February | 60°F 16°C | 42°F 6°C | 8.0 in 204 mm | 0.0 in1 mm | 7 |
| March | 63°F 17°C | 44°F 6°C | 3.5 in 88 mm | 0.4 in10 mm | 12 |
| April | 73°F 23°C | 49°F 9°C | 0.5 in 12 mm | — | 14 |
| May | 83°F 28°C | 56°F 13°C | 0.1 in 4 mm | — | 26 |
| June | 90°F 32°C | 61°F 16°C | 0.0 in 0 mm | — | 29 |
| July | 90°F 32°C | 62°F 17°C | 0.0 in 1 mm | — | 29 |
| August | 94°F 35°C | 65°F 18°C | 0.0 in 0 mm | — | 31 |
| September | 86°F 30°C | 62°F 17°C | 0.6 in 16 mm | — | 20 |
| October | 74°F 23°C | 52°F 11°C | 2.2 in 55 mm | — | 17 |
| November | 66°F 19°C | 48°F 9°C | 3.6 in 91 mm | — | 10 |
| December | 58°F 14°C | 44°F 7°C | 6.4 in 163 mm | — | 13 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 25 | 0 |
| February | 7 | 4 |
| March | 12 | 4 |
| April | 14 | 0 |
| May | 26 | 0 |
| June | 29 | 0 |
| July | 29 | 0 |
| August | 31 | 0 |
| September | 20 | 1 |
| October | 17 | 2 |
| November | 10 | 3 |
| December | 13 | 4 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 52°F 11°C | 43°F 6°C |
| February | 51°F 11°C | 43°F 6°C |
| March | 51°F 10°C | 47°F 8°C |
| April | 51°F 10°C | 54°F 12°C |
| May | 49°F 9°C | 60°F 15°C |
| June | 50°F 10°C | 67°F 19°C |
| July | 52°F 11°C | 70°F 21°C |
| August | 55°F 13°C | 71°F 22°C |
| September | 57°F 14°C | 68°F 20°C |
| October | 59°F 15°C | 59°F 15°C |
| November | 55°F 13°C | 54°F 12°C |
| December | 54°F 12°C | 48°F 9°C |