WeatherWX.comHillsboro Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 48°F Lo 34°F | Hi 53°F Lo 38°F | Hi 62°F Lo 45°F | Hi 71°F Lo 51°F | Hi 79°F Lo 60°F | Hi 87°F Lo 68°F | Hi 89°F Lo 70°F | Hi 89°F Lo 70°F | Hi 83°F Lo 64°F | Hi 73°F Lo 54°F | Hi 60°F Lo 43°F | Hi 53°F Lo 39°F |
| 8 mph | 8 mph | 8 mph | 8 mph | 6 mph | 5 mph | 5 mph | 5 mph | 5 mph | 7 mph | 7 mph | 8 mph |
| 6.5 in | 7 in | 6.9 in | 7.6 in | 6.9 in | 6.5 in | 7.7 in | 6.9 in | 6.8 in | 5.3 in | 4.4 in | 7.4 in |
| 75% | 77% | 78% | 75% | 76% | 75% | 75% | 74% | 74% | 73% | 72% | 79% |
| 46% | 50% | 45% | 35% | 33% | 28% | 32% | 30% | 30% | 32% | 34% | 48% |
| 30.2 in | 30.1 in | 30.1 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.2 in | 30.1 in |
| 21 | 17 | 21 | 23 | 22 | 20 | 20 | 22 | 23 | 25 | 25 | 22 |
| 7 | 8 | 9 | 7 | 9 | 10 | 11 | 9 | 7 | 6 | 5 | 8 |
| 3 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| 3 | 2 | 3 | 3 | 4 | 3 | 4 | 3 | 3 | 3 | 1 | 2 |
| 3 | 3 | 4 | 5 | 6 | 6 | 7 | 6 | 5 | 4 | 3 | 3 |
| 249 | 217 | 263 | 293 | 316 | 328 | 337 | 340 | 314 | 307 | 285 | 243 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 9°C Lo 1°C | Hi 12°C Lo 3°C | Hi 17°C Lo 7°C | Hi 21°C Lo 11°C | Hi 26°C Lo 16°C | Hi 30°C Lo 20°C | Hi 32°C Lo 21°C | Hi 31°C Lo 21°C | Hi 28°C Lo 18°C | Hi 23°C Lo 12°C | Hi 16°C Lo 6°C | Hi 12°C Lo 4°C |
| 13 km/h | 14 km/h | 13 km/h | 13 km/h | 10 km/h | 9 km/h | 8 km/h | 8 km/h | 9 km/h | 11 km/h | 12 km/h | 13 km/h |
| 166 mm | 177 mm | 174 mm | 192 mm | 176 mm | 164 mm | 194 mm | 175 mm | 172 mm | 135 mm | 111 mm | 189 mm |
| 75% | 77% | 78% | 75% | 76% | 75% | 75% | 74% | 74% | 73% | 72% | 79% |
| 46% | 50% | 45% | 35% | 33% | 28% | 32% | 30% | 30% | 32% | 34% | 48% |
| 1022 mb | 1020 mb | 1019 mb | 1016 mb | 1016 mb | 1015 mb | 1016 mb | 1016 mb | 1016 mb | 1018 mb | 1021 mb | 1021 mb |
| 21 | 17 | 21 | 23 | 22 | 20 | 20 | 22 | 23 | 25 | 25 | 22 |
| 7 | 8 | 9 | 7 | 9 | 10 | 11 | 9 | 7 | 6 | 5 | 8 |
| 3 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| 3 | 2 | 3 | 3 | 4 | 3 | 4 | 3 | 3 | 3 | 1 | 2 |
| 3 | 3 | 4 | 5 | 6 | 6 | 7 | 6 | 5 | 4 | 3 | 3 |
| 249 | 217 | 263 | 293 | 316 | 328 | 337 | 340 | 314 | 307 | 285 | 243 |
| 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.
