Olney climate

Olney Weather in January

NOAA 1991-2020 normals for Rockville 1 Ne, 9.1 km from Olney

Average highs run from 43°F on January 1 to 43°F on January 31, and lows from 28°F to 26°F. Normal precipitation for the month is 3.11 in over about 10 wet days.

January day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Olney, in °F, with the record for each date.-20020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

January at a glance

Average high
42°F
Average low
27°F
Precipitation
3.11 in
Snowfall
5.7 in
Record high
78°FJan 26, 1950
Record low
-13°FJan 21, 1985
Chance of a freeze
100%
Daylight
9 h 28 min to 10 h 12 min
Cloud cover
64%
Humidity
83%
Dew point
27°F
Wind
10.5 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Jan 143°F28°F67°F 1966-9°F 191832%6%
Jan 243°F28°F69°F 19167°F 191832%6%
Jan 343°F28°F70°F 2000-2°F 191832%6%
Jan 443°F28°F71°F 1997-12°F 191832%6%
Jan 543°F28°F68°F 19506°F 191232%6%
Jan 642°F28°F70°F 19502°F 198132%6%
Jan 742°F28°F70°F 19509°F 191232%6%
Jan 842°F28°F70°F 19984°F 196832%7%
Jan 942°F27°F62°F 19985°F 196832%7%
Jan 1042°F27°F69°F 19501°F 198232%7%
Jan 1142°F27°F73°F 19750°F 198232%7%
Jan 1242°F27°F72°F 19751°F 197732%7%
Jan 1342°F27°F69°F 1995-6°F 191232%7%
Jan 1442°F27°F71°F 1995-10°F 191231%7%
Jan 1542°F27°F73°F 19524°F 199431%7%
Jan 1642°F27°F72°F 1952-1°F 197231%7%
Jan 1742°F27°F67°F 1913-6°F 198231%8%
Jan 1842°F27°F70°F 1986-10°F 198231%8%
Jan 1942°F27°F71°F 1951-7°F 199431%8%
Jan 2042°F26°F71°F 1951-10°F 198531%8%
Jan 2142°F26°F67°F 1951-13°F 198530%8%
Jan 2242°F26°F70°F 19862°F 196130%8%
Jan 2342°F26°F72°F 19672°F 197830%8%
Jan 2442°F26°F73°F 19670°F 196330%8%
Jan 2542°F26°F75°F 19503°F 196129%8%
Jan 2642°F26°F78°F 19504°F 198229%8%
Jan 2742°F26°F77°F 19500°F 198229%8%
Jan 2842°F26°F70°F 1949-4°F 198729%8%
Jan 2942°F26°F75°F 19752°F 197728%8%
Jan 3042°F26°F74°F 19146°F 196628%8%
Jan 3143°F26°F71°F 19166°F 196628%8%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Olney, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EST).

January 1
sunrise 7:28 AM, sunset 4:56 PM
January 31
sunrise 7:16 AM, sunset 5:28 PM

Every day of January: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00187705 (Rockville 1 Ne), public domain. Records: NOAA GHCN-Daily, station USC00187705, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.