Weather World
De Bilt Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 42°F Lo 35°F | Hi 44°F Lo 35°F | Hi 51°F Lo 38°F | Hi 58°F Lo 42°F | Hi 63°F Lo 48°F | Hi 70°F Lo 54°F | Hi 73°F Lo 57°F | Hi 73°F Lo 58°F | Hi 67°F Lo 54°F | Hi 59°F Lo 48°F | Hi 50°F Lo 42°F | Hi 44°F Lo 38°F |
| 10 mph | 11 mph | 9 mph | 9 mph | 8 mph | 8 mph | 8 mph | 8 mph | 8 mph | 9 mph | 10 mph | 11 mph |
| 2.7 in | 2.4 in | 1.8 in | 1.8 in | 2.5 in | 2.9 in | 3 in | 3 in | 2.3 in | 3 in | 2.7 in | 2.9 in |
| 86% | 83% | 77% | 74% | 77% | 76% | 75% | 74% | 79% | 83% | 85% | 87% |
| 63% | 60% | 52% | 45% | 47% | 44% | 45% | 42% | 46% | 55% | 60% | 65% |
| 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 29.9 in | 30.0 in |
| 21 | 19 | 25 | 24 | 24 | 23 | 23 | 22 | 23 | 23 | 22 | 20 |
| 8 | 8 | 6 | 6 | 7 | 7 | 8 | 9 | 7 | 8 | 8 | 9 |
| 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 |
| 2 | 2 | 2 | 3 | 4 | 4 | 4 | 4 | 3 | 3 | 2 | 2 |
| 92 | 93 | 136 | 154 | 143 | 156 | 139 | 155 | 150 | 115 | 101 | 83 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 6°C Lo 2°C | Hi 7°C Lo 2°C | Hi 11°C Lo 4°C | Hi 14°C Lo 6°C | Hi 17°C Lo 9°C | Hi 21°C Lo 12°C | Hi 23°C Lo 14°C | Hi 23°C Lo 14°C | Hi 20°C Lo 12°C | Hi 15°C Lo 9°C | Hi 10°C Lo 6°C | Hi 7°C Lo 3°C |
| 17 km/h | 17 km/h | 15 km/h | 14 km/h | 13 km/h | 13 km/h | 12 km/h | 12 km/h | 12 km/h | 14 km/h | 16 km/h | 17 km/h |
| 68 mm | 61 mm | 46 mm | 45 mm | 63 mm | 73 mm | 76 mm | 77 mm | 59 mm | 76 mm | 69 mm | 74 mm |
| 86% | 83% | 77% | 74% | 77% | 76% | 75% | 74% | 79% | 83% | 85% | 87% |
| 63% | 60% | 52% | 45% | 47% | 44% | 45% | 42% | 46% | 55% | 60% | 65% |
| 1015 mb | 1015 mb | 1016 mb | 1016 mb | 1016 mb | 1016 mb | 1015 mb | 1015 mb | 1016 mb | 1015 mb | 1012 mb | 1014 mb |
| 21 | 19 | 25 | 24 | 24 | 23 | 23 | 22 | 23 | 23 | 22 | 20 |
| 8 | 8 | 6 | 6 | 7 | 7 | 8 | 9 | 7 | 8 | 8 | 9 |
| 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 |
| 2 | 2 | 2 | 3 | 4 | 4 | 4 | 4 | 3 | 3 | 2 | 2 |
| 92 | 93 | 136 | 154 | 143 | 156 | 139 | 155 | 150 | 115 | 101 | 83 |
| 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.