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Raleigh, N.C.
H I S T O R I C A L   W E A T H E R   D A T A

Average Temperature
 YearJan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.
F59.338.94250.4596774.378.177.171.160.151.242.6
C15351015192325252115105
Years Charted: 30 Source: National Weather Service, San Francisco
Results based on data collected from 1961 - 1990


Average High Temperature
 YearJan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.
F70.148.952.662.171.778.6858886.881.171.662.652.7
C2191116222529313027221711
Years Charted: 30 Source: National Weather Service, San Francisco
Results based on data collected from 1961 - 1990


Average Low Temperature
 YearJan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.
F48.428.831.338.746.255.363.668.167.561.148.439.732.4
C9-10371217201916940
Years Charted: 30 Source: National Weather Service, San Francisco
Results based on data collected from 1961 - 1990


Highest Recorded Temperature
 YearJan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.
F1057984929597104105105104988879
C40262833353640404040363126
Years Charted: 49 Source: National Weather Service, San Francisco
Results based on data collected through 1993


Lowest Recorded Temperature
 YearJan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.
F-9-951123313848463719114
C-22-22-15-11-503872-7-11-15
Years Charted: 49 Source: National Weather Service, San Francisco
Results based on data collected through 1993


Mean Number of Days Below 32F/0C
 TotalJan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.
Days772017102---00001917
Years Charted: 29 Source: National Weather Service, San Francisco
Results based on data collected through 1993


Average Precipitation
 YearJan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.
in.41.433.483.693.772.593.923.684.014.023.192.862.983.24
mm105288939565999310110281727582
Years Charted: 30 Source: National Weather Service, San Francisco
Results based on data collected from 1961 - 1990


Average Snowfall
 YearJan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.
in.72.22.61.300000000.10.8
mm1775566330000000220
Years Charted: 49 Source: National Weather Service, San Francisco
Results based on data collected through 1993


Average Wind Speed
 YearJan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.
mph7.88.58.99.397.776.76.46.87.17.68
km/h12131414141211101010111212
Years Charted: 44 Source: National Weather Service, San Francisco
Results based on data collected through 1993


Average Days of Precipitation
 TotalJan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.
Days112101010910911108789
Years Charted: 49 Source: National Weather Service, San Francisco
Results based on data collected through 1993


Days With Sunshine
 YearJan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.
%58535660635861605858615753
Years Charted: 39 Source: National Weather Service, San Francisco
Results based on data collected through 1993


Mean Number of Cloudy Days
 TotalJan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.
Days149151314111310121211111214
Years Charted: 45 Source: National Weather Service, San Francisco
Results based on data collected through 1993


Mean Number of Partly Cloudy Days
 TotalJan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.
Days1067689101212129777
Years Charted: 45 Source: National Weather Service, San Francisco
Results based on data collected through 1993


Mean Number of Clear Days
 TotalJan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.
Days11199910887710131110
Years Charted: 45 Source: National Weather Service, San Francisco
Results based on data collected through 1993


Average Morning Relative Humidity
 YearJan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.
%85797780818687899292898480
Years Charted: 29 Source: National Weather Service, San Francisco
Results based on data collected through 1993


Average Afternoon Relative Humidity
 YearJan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.
%54555249455456586058535255
Years Charted: 29 Source: National Weather Service, San Francisco
Results based on data collected through 1993





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