Weather World
Viterbo Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 50°F Lo 38°F | Hi 52°F Lo 39°F | Hi 57°F Lo 41°F | Hi 64°F Lo 46°F | Hi 71°F Lo 52°F | Hi 82°F Lo 61°F | Hi 89°F Lo 66°F | Hi 89°F Lo 66°F | Hi 79°F Lo 60°F | Hi 69°F Lo 54°F | Hi 59°F Lo 47°F | Hi 52°F Lo 40°F |
| 7 mph | 7 mph | 7 mph | 6 mph | 6 mph | 5 mph | 5 mph | 5 mph | 6 mph | 6 mph | 6 mph | 7 mph |
| 3.2 in | 3.4 in | 3.4 in | 2.6 in | 3 in | 2.2 in | 1.6 in | 1.5 in | 3.4 in | 3.8 in | 5.4 in | 3.5 in |
| 81% | 79% | 78% | 76% | 75% | 65% | 58% | 58% | 68% | 74% | 81% | 81% |
| 45% | 43% | 40% | 35% | 34% | 20% | 14% | 15% | 26% | 32% | 42% | 41% |
| 30.0 in | 30.0 in | 30.0 in | 29.9 in | 30.0 in | 30.0 in | 29.9 in | 29.9 in | 30.0 in | 30.0 in | 30.0 in | 30.1 in |
| 25 | 21 | 24 | 23 | 22 | 24 | 27 | 25 | 23 | 25 | 22 | 24 |
| 6 | 7 | 7 | 7 | 9 | 6 | 4 | 6 | 7 | 6 | 8 | 6 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 |
| 2 | 3 | 3 | 4 | 5 | 6 | 7 | 5 | 4 | 4 | 3 | 2 |
| 166 | 161 | 192 | 208 | 210 | 267 | 305 | 319 | 258 | 228 | 178 | 189 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 10°C Lo 3°C | Hi 11°C Lo 4°C | Hi 14°C Lo 5°C | Hi 18°C Lo 8°C | Hi 21°C Lo 11°C | Hi 28°C Lo 16°C | Hi 32°C Lo 19°C | Hi 32°C Lo 19°C | Hi 26°C Lo 16°C | Hi 21°C Lo 12°C | Hi 15°C Lo 8°C | Hi 11°C Lo 5°C |
| 11 km/h | 12 km/h | 12 km/h | 10 km/h | 9 km/h | 9 km/h | 9 km/h | 8 km/h | 9 km/h | 10 km/h | 10 km/h | 11 km/h |
| 82 mm | 86 mm | 86 mm | 66 mm | 77 mm | 56 mm | 39 mm | 38 mm | 87 mm | 97 mm | 136 mm | 88 mm |
| 81% | 79% | 78% | 76% | 75% | 65% | 58% | 58% | 68% | 74% | 81% | 81% |
| 45% | 43% | 40% | 35% | 34% | 20% | 14% | 15% | 26% | 32% | 42% | 41% |
| 1016 mb | 1016 mb | 1015 mb | 1014 mb | 1015 mb | 1015 mb | 1014 mb | 1014 mb | 1015 mb | 1017 mb | 1015 mb | 1018 mb |
| 25 | 21 | 24 | 23 | 22 | 24 | 27 | 25 | 23 | 25 | 22 | 24 |
| 6 | 7 | 7 | 7 | 9 | 6 | 4 | 6 | 7 | 6 | 8 | 6 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 |
| 2 | 3 | 3 | 4 | 5 | 6 | 7 | 5 | 4 | 4 | 3 | 2 |
| 166 | 161 | 192 | 208 | 210 | 267 | 305 | 319 | 258 | 228 | 178 | 189 |
| 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.