WeatherWX.com
Sunnyside Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 32°F Lo 14°F | Hi 35°F Lo 18°F | Hi 46°F Lo 28°F | Hi 55°F Lo 34°F | Hi 66°F Lo 44°F | Hi 79°F Lo 55°F | Hi 85°F Lo 62°F | Hi 82°F Lo 60°F | Hi 75°F Lo 52°F | Hi 58°F Lo 38°F | Hi 45°F Lo 28°F | Hi 32°F Lo 16°F |
| 4 mph | 5 mph | 6 mph | 8 mph | 7 mph | 7 mph | 6 mph | 5 mph | 6 mph | 6 mph | 5 mph | 5 mph |
| 0.9 in | 0.8 in | 1.1 in | 0.8 in | 0.9 in | 0.4 in | 0.6 in | 0.6 in | 0.9 in | 1 in | 0.7 in | 1.4 in |
| 76% | 71% | 58% | 45% | 37% | 29% | 33% | 35% | 35% | 44% | 54% | 70% |
| 32% | 31% | 28% | 23% | 21% | 15% | 18% | 15% | 13% | 16% | 17% | 30% |
| 30.2 in | 30.1 in | 30.0 in | 29.9 in | 29.9 in | 29.8 in | 29.9 in | 29.9 in | 30.0 in | 30.0 in | 30.1 in | 30.2 in |
| 22 | 20 | 24 | 25 | 26 | 27 | 27 | 28 | 27 | 27 | 25 | 20 |
| 6 | 5 | 5 | 4 | 5 | 3 | 4 | 3 | 3 | 4 | 3 | 7 |
| 4 | 3 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 4 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2 | 2 | 2 | 3 | 5 | 5 | 6 | 6 | 4 | 3 | 2 | 2 |
| 231 | 214 | 251 | 268 | 289 | 311 | 317 | 328 | 315 | 319 | 301 | 253 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi -0°C Lo -10°C | Hi 2°C Lo -8°C | Hi 8°C Lo -2°C | Hi 13°C Lo 1°C | Hi 19°C Lo 6°C | Hi 26°C Lo 13°C | Hi 30°C Lo 17°C | Hi 28°C Lo 16°C | Hi 24°C Lo 11°C | Hi 15°C Lo 4°C | Hi 7°C Lo -2°C | Hi 0°C Lo -9°C |
| 7 km/h | 8 km/h | 10 km/h | 12 km/h | 12 km/h | 12 km/h | 9 km/h | 9 km/h | 9 km/h | 9 km/h | 8 km/h | 7 km/h |
| 24 mm | 20 mm | 29 mm | 20 mm | 23 mm | 10 mm | 15 mm | 15 mm | 22 mm | 24 mm | 18 mm | 34 mm |
| 76% | 71% | 58% | 45% | 37% | 29% | 33% | 35% | 35% | 44% | 54% | 70% |
| 32% | 31% | 28% | 23% | 21% | 15% | 18% | 15% | 13% | 16% | 17% | 30% |
| 1024 mb | 1020 mb | 1016 mb | 1013 mb | 1011 mb | 1011 mb | 1013 mb | 1013 mb | 1014 mb | 1017 mb | 1020 mb | 1022 mb |
| 22 | 20 | 24 | 25 | 26 | 27 | 27 | 28 | 27 | 27 | 25 | 20 |
| 6 | 5 | 5 | 4 | 5 | 3 | 4 | 3 | 3 | 4 | 3 | 7 |
| 4 | 3 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 4 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2 | 2 | 2 | 3 | 5 | 5 | 6 | 6 | 4 | 3 | 2 | 2 |
| 231 | 214 | 251 | 268 | 289 | 311 | 317 | 328 | 315 | 319 | 301 | 253 |
| Month |
| Avg. Temperatures |
| Avg. Wind Speed |
| Avg. Precipitation |
| Average Humidity |
| Avg. Cloud Cover |
| Pressure Average |
| Average Dry Days |
| Avg. Precip. Days |
| Avg. Snow Days |
| Average Fog Days |
| Average UV Index |
| Avg. Hours of Sun |
Averages are based on historical weather data from the past 10 years.