Wheaton, Maryland, United States Climate

Weather: 0°C/0°F, Wind SW at 0 km/h, 0% Humidity, 0% Chance of rain

United States
(Photo by Jeffrey F Lin on Unsplash)
Contents

Wheaton Climate Summary

Located at an elevation of 36.08 meters (118.37 feet) above sea level, Wheaton has a Humid subtropical, no dry season climate (Classification: Cfa). The district’s yearly temperature is 15.79ºC (60.42ºF) and it is 3.15% higher than United States’s averages. Wheaton typically receives about 50.25 millimeters (1.98 inches) of precipitation and has 46.65 rainy days (12.78% of the time) annually.

Country United States
City Maryland
Longitude -77.0517746
Latitude 39.0414899
Attitude/Elevation 36.08m (118.37ft)
Local time Sunday 22:56
Annual high temperature 18.7ºC (65.66ºF)
Annual low temperature 11.32ºC (52.38ºF)
Average annual precip. 50.25mm (1.98in)
Warmest month July (32.27ºC / 90.09ºF)
Coldest Month January (-1.02ºC / 30.16ºF)
Wettest Month August (78.83mm / 3.1in)
Driest Month January (30.55mm / 1.2in)
Number of days with rainfall (≥ 1.0 mm) 46.65 days (12.78%)
Days with no rain 318.35 days (87.22%)
Humidity 64.35%

Climate Wheaton: Weather By Month

Month Jan Feb Mar Apr May Jun Jul Aug Sep Nov Oct Dec Year
Record high °C (°F) 18.0(64.4) 25.0(77.0) 24.0(75.2) 28.0(82.4) 34.0(93.2) 39.0(102.2) 39.0(102.2) 37.0(98.6) 37.0(98.6) 34.0(93.2) 25.0(77.0) 16.0(60.8) 39.0(102.2)
Average high °C (°F) 5.0(41.0) 8.72(47.7) 11.32(52.38) 17.36(63.25) 24.33(75.79) 28.63(83.53) 32.27(90.09) 30.59(87.06) 26.96(80.53) 20.32(68.58) 11.64(52.95) 7.22(45.0) 18.7(65.66)
Daily mean °C (°F) 2.57(36.63) 5.86(42.55) 8.08(46.54) 13.91(57.04) 21.05(69.89) 25.54(77.97) 29.2(84.56) 27.68(81.82) 23.86(74.95) 17.43(63.37) 9.13(48.43) 5.13(41.23) 15.79(60.42)
Average low °C (°F) -1.02(30.16) 1.87(35.37) 3.53(38.35) 8.67(47.61) 15.67(60.21) 20.19(68.34) 23.85(74.93) 23.1(73.58) 19.54(67.17) 13.19(55.74) 5.43(41.77) 1.87(35.37) 11.32(52.38)
Record low °C (°F) -16.0(3.2) -12.0(10.4) -7.0(19.4) -1.0(30.2) 3.0(37.4) 12.0(53.6) 18.0(64.4) 18.0(64.4) 10.0(50.0) 3.0(37.4) -4.0(24.8) -7.0(19.4) -16.0(3.2)
Average precipitation mm (inches) 30.55(1.2) 42.18(1.66) 40.93(1.61) 42.94(1.69) 59.53(2.34) 54.3(2.14) 65.58(2.58) 78.83(3.1) 46.47(1.83) 49.77(1.96) 41.5(1.63) 50.45(1.99) 50.25(1.98)
Average precipitation days (≥ 1.0 mm) 2.55 3.82 3.55 3.82 4.91 4.64 4.91 5.91 4.27 3.18 2.27 2.82 3.89
Average relative humidity (%) 65.12 66.56 60.13 59.47 66.1 61.58 60.69 64.91 67.73 66.58 63.49 69.83 64.35
Mean monthly sunshine hours 8.19 8.7 9.44 9.6 11.8 13.11 12.85 10.29 9.94 9.71 7.75 6.69 9.84

Climate Graph

The chart below shows the mean monthly temperature and precipitation of Wheaton in recent years.

Wheaton Temperature by Month

July
29.2°C | 84.56°F
August
27.68°C | 81.82°F
June
25.54°C | 77.97°F
September
23.86°C | 74.95°F
May
21.05°C | 69.89°F
October
17.43°C | 63.37°F
April
13.91°C | 57.04°F
November
9.13°C | 48.43°F
March
8.08°C | 46.54°F
February
5.86°C | 42.55°F
December
5.13°C | 41.23°F
January
2.57°C | 36.63°F

Historical Data

Summary
  • 2020
  • 2019
  • 2018
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
Temperature Max Average Min
Max Temperature 18.0°C (64.4°F) 7.54°C (45.57°F) -3.0°C (26.6°F)
Avg Temperature 14.0°C (57.2°F) 4.57°C (40.23°F) -6.0°C (21.2°F)
Min Temperature 8.0°C (46.4°F) 0.61°C (33.1°F) -12.0°C (10.4°F)
Dew Point Max Average Min
Dew Point 8.0°C (46.4°F) -2.75°C (27.05°F) -16.0°C (3.2°F)
Precipitation Max Average Min Sum
Precipitation 35.2mm | 1.39in 5.1mm | 0.2in 0.0mm | 0in 142.9mm | 5.63in
Snowdepth 14.2mm | 0.56in 0.56mm | 0.02in 0.0mm | 0in 15.7mm | 0.62in
Wind Max Average Min
Wind 19.0kmh | 11.81mph 7.75kmh | 4.82mph 2.0kmh | 1.24mph
Gust Wind 41.0kmh | 25.48mph 17.0kmh | 10.56mph 5.0kmh | 3.11mph
Sea Level Pressure Max Average Min
Sea Level Pressure 35.2mb 5.1mb 0.0mb

Daily Observations

Time Temperature Dew Point Humidity Wind Speed Pressure Precipitation
February ° C | ° F ° C | ° F % Kph | Mph Hg | Mb Total (mm/in)
2019-02-01 -6 | 21.2 -14 | 6.8 54 3 | 1.86 30.39 | 1029 1.7 | 0.07
2019-02-02 -3 | 26.6 -7 | 19.4 80 3 | 1.86 30.3 | 1026 0.0 | 0.0
2019-02-03 4 | 39.2 2 | 35.6 87 2 | 1.24 30.15 | 1021 0.0 | 0.0
2019-02-04 11 | 51.8 5 | 41.0 79 3 | 1.86 30.06 | 1018 0.0 | 0.0
2019-02-05 13 | 55.4 8 | 46.4 82 3 | 1.86 30.03 | 1017 0.0 | 0.0
2019-02-06 10 | 50.0 7 | 44.6 85 6 | 3.73 30.09 | 1019 2.6 | 0.1
2019-02-07 10 | 50.0 7 | 44.6 85 4 | 2.49 30.03 | 1017 0.7 | 0.03
2019-02-08 8 | 46.4 1 | 33.8 67 19 | 11.81 30.09 | 1019 3.6 | 0.14
2019-02-09 -0 | 32.0 -16 | 3.2 31 15 | 9.32 30.68 | 1039 0.0 | 0.0
2019-02-10 2 | 35.6 -13 | 8.6 35 4 | 2.49 30.59 | 1036 0.4 | 0.02
2019-02-11 1 | 33.8 -1 | 30.2 91 6 | 3.73 30.3 | 1026 13.3 | 0.52
2019-02-12 2 | 35.6 1 | 33.8 94 11 | 6.84 30.06 | 1018 23.6 | 0.93
2019-02-13 4 | 39.2 -3 | 26.6 62 14 | 8.7 29.83 | 1010 2.6 | 0.1
2019-02-14 7 | 44.6 -3 | 26.6 54 7 | 4.35 30.06 | 1018 0.0 | 0.0
2019-02-15 14 | 57.2 3 | 37.4 56 11 | 6.84 29.8 | 1009 0.5 | 0.02
2019-02-16 4 | 39.2 -5 | 23.0 52 9 | 5.59 29.94 | 1014 0.0 | 0.0
2019-02-17 3 | 37.4 -5 | 23.0 61 5 | 3.11 30.06 | 1018 9.9 | 0.39
2019-02-18 5 | 41.0 -2 | 28.4 67 8 | 4.97 30.03 | 1017 19.1 | 0.75
2019-02-19 2 | 35.6 -11 | 12.2 41 5 | 3.11 30.56 | 1035 0.0 | 0.0
2019-02-20 -1 | 30.2 -4 | 24.8 78 6 | 3.73 30.42 | 1030 23.0 | 0.91
2019-02-21 3 | 37.4 2 | 35.6 96 6 | 3.73 30.09 | 1019 2.7 | 0.11
2019-02-22 6 | 42.8 1 | 33.8 70 7 | 4.35 30.39 | 1029 1.0 | 0.04
2019-02-23 4 | 39.2 -0 | 32.0 75 5 | 3.11 30.36 | 1028 3.0 | 0.12
2019-02-24 8 | 46.4 3 | 37.4 76 14 | 8.7 29.74 | 1007 35.2 | 1.39
2019-02-25 4 | 39.2 -12 | 10.4 31 17 | 10.56 30.09 | 1019 0.0 | 0.0
2019-02-26 6 | 42.8 -10 | 14.0 35 8 | 4.97 30.39 | 1029 0.0 | 0.0
2019-02-27 3 | 37.4 -6 | 21.2 55 9 | 5.59 30.27 | 1025 0.0 | 0.0
2019-02-28 4 | 39.2 -5 | 23.0 55 7 | 4.35 30.15 | 1021 0.0 | 0.0

Wheaton 3 Year Historical Weather Data

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