Climate almanac
Olney
Maryland, US · 39.15°, -77.07°
What is the climate like in Olney?
Olney is warmest in July, when daily highs average 88°F (31°C), and coolest in January, when lows fall to about 30°F (-1°C). The wettest month is typically July and the driest is November; the year sees roughly 48 in of precipitation.
- Warmest monthJuly — average high 88°F (31°C)
- Coolest monthJanuary — average low 30°F (-1°C)
- Wettest monthJuly (6.3 in)
- Driest monthNovember (2.9 in)
- Annual precipitation48 in