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Olney, MD Climate

1991 to 2020 normals at Rockville 1 NE, 5.2 mi from the center of Olney, elevation 440 ft.

Average weather by month

Select a month for daily normals and last year's weather

MonthRangeHighLowPrecip.Snow
January42°27°3.11 in--
February45°28°2.60 in--
March54°36°3.66 in--
April66°46°3.23 in--
May74°55°3.55 in--
June82°64°3.96 in--
July87°69°3.98 in--
August85°67°3.05 in--
September78°60°4.01 in--
October66°48°3.52 in--
November56°38°3.27 in--
December46°31°3.38 in--
Year65°41.32 in--

Frequently asked questions

What is the hottest month in Olney, MD?
July is the warmest month, with a normal high of 87°F at Rockville 1 NE.
What is the coldest month in Olney, MD?
January is the coldest month, with a normal low of 27°F.
What is the wettest month in Olney, MD?
September has the most precipitation on average, about 4.01 inches.