climigo

Maryland

When to go?

The best months are May–June, August–September. Avoid July (hot).

Climate zones

VirginiaDistrict of ColumbiaWest VirginiaDelawareNew JerseyPennsylvaniaBaltimoreBaltimoreBaltimoreBethesdaBethesdaBethesdaAnnapolisAnnapolisAnnapolisFrederickFrederickFrederickGaithersburgGaithersburg

Mean maximum and minimum temperature and mean monthly precipitation of the season (the mean of its three months), ERA5-Land 1996–2025, at about 9 km resolution: colours are in levels (the same as the city scale) and smaller details are not real.

What is the climate like?

Area mean indicative, over the whole territory

Temperature and rain

January 6°−3°
February 8°−2°
March 13°1°
April 19°7°
May 24°12°
June 28°17°
July 31°20°
August 30°19°
September 26°15°
October 20°9°
November 14°3°
December 8°−1°

Monthly min and max temperature (°C)

−5°0°5°10°15°20°25°30°35°JanFebMarAprMayJunJulAugSepOctNovDec−3.4 · 5.9 °CJanuary: −3.4 · 5.9 °C−2.3 · 7.9 °CFebruary: −2.3 · 7.9 °C1.2 · 12.7 °CMarch: 1.2 · 12.7 °C6.5 · 18.9 °CApril: 6.5 · 18.9 °C11.8 · 23.7 °CMay: 11.8 · 23.7 °C16.9 · 28.4 °CJune: 16.9 · 28.4 °C19.6 · 30.8 °CJuly: 19.6 · 30.8 °C18.6 · 29.7 °CAugust: 18.6 · 29.7 °C14.9 · 26.2 °CSeptember: 14.9 · 26.2 °C8.7 · 20.1 °COctober: 8.7 · 20.1 °C2.9 · 13.7 °CNovember: 2.9 · 13.7 °C−1.1 · 8.4 °CDecember: −1.1 · 8.4 °C

Monthly min and max temperature (°C)

Jan −3.4 – 5.9 °C
Feb −2.3 – 7.9 °C
Mar 1.2 – 12.7 °C
Apr 6.5 – 18.9 °C
May 11.8 – 23.7 °C
Jun 16.9 – 28.4 °C
Jul 19.6 – 30.8 °C
Aug 18.6 – 29.7 °C
Sep 14.9 – 26.2 °C
Oct 8.7 – 20.1 °C
Nov 2.9 – 13.7 °C
Dec −1.1 – 8.4 °C

How much it rains

January 83 mm9 d
February 77 mm8 d
March 92 mm9 d
April 93 mm9 d
May 109 mm10 d
June 107 mm9 d
July 118 mm9 d
August 106 mm9 d
September 112 mm7 d
October 93 mm7 d
November 76 mm7 d
December 94 mm9 d

Rain days and how much water

0102030 dJanFebMarAprMayJunJulAugSepOctNovDec83 mm · 9 rain days · 9 mm a dayJanuary: 83 mm · 9 rain days · 9 mm a day77 mm · 8 rain days · 10 mm a dayFebruary: 77 mm · 8 rain days · 10 mm a day92 mm · 9 rain days · 10 mm a dayMarch: 92 mm · 9 rain days · 10 mm a day93 mm · 9 rain days · 10 mm a dayApril: 93 mm · 9 rain days · 10 mm a day109 mm · 10 rain days · 11 mm a dayMay: 109 mm · 10 rain days · 11 mm a day107 mm · 9 rain days · 12 mm a dayJune: 107 mm · 9 rain days · 12 mm a day118 mm · 9 rain days · 13 mm a dayJuly: 118 mm · 9 rain days · 13 mm a day106 mm · 9 rain days · 12 mm a dayAugust: 106 mm · 9 rain days · 12 mm a day112 mm · 7 rain days · 16 mm a daySeptember: 112 mm · 7 rain days · 16 mm a day93 mm · 7 rain days · 13 mm a dayOctober: 93 mm · 7 rain days · 13 mm a day76 mm · 7 rain days · 11 mm a dayNovember: 76 mm · 7 rain days · 11 mm a day94 mm · 9 rain days · 10 mm a dayDecember: 94 mm · 9 rain days · 10 mm a day

Rain days and how much water

Jan 83 mm9 d
Feb 77 mm8 d
Mar 92 mm9 d
Apr 93 mm9 d
May 109 mm10 d
Jun 107 mm9 d
Jul 118 mm9 d
Aug 106 mm9 d
Sep 112 mm7 d
Oct 93 mm7 d
Nov 76 mm7 d
Dec 94 mm9 d

Bars: length = rain days, thickness = mm on a rain day, area = the month's rain. 3 mm a day7 mm a day15 mm a day

Colour = the month's rain: 103060100160250400mm

Daylight hours

January 9 h 44
February 10 h 45
March 11 h 55
April 13 h 13
May 14 h 17
June 14 h 53
July 14 h 38
August 13 h 42
September 12 h 28
October 11 h 13
November 10 h 04
December 9 h 28

Mean daylight hours over the whole territory.

Snow on the ground

January 3 cm
February 5 cm
March 2 cm
April –
May –
June –
July –
August –
September –
October –
November –
December 1 cm

Mean snow depth on the ground (cm)

0510 cmJanFebMarAprMayJunJulAugSepOctNovDec3 cmJanuary: 3 cm5 cmFebruary: 5 cm2 cmMarch: 2 cm0 cmApril: 0 cm0 cmMay: 0 cm0 cmJune: 0 cm0 cmJuly: 0 cm0 cmAugust: 0 cm0 cmSeptember: 0 cm0 cmOctober: 0 cm0 cmNovember: 0 cm1 cmDecember: 1 cm

Mean snow depth on the ground (cm)

Jan 3 cm
Feb 5 cm
Mar 2 cm
Apr 0 cm
May 0 cm
Jun 0 cm
Jul 0 cm
Aug 0 cm
Sep 0 cm
Oct 0 cm
Nov 0 cm
Dec 1 cm

Spatial mean over the whole area, weighted by area (cosine of the latitude), not by population: indicative only, since the climate varies a lot within an area (coasts, plains, mountains). Look at the cities for the weather you will find.

Cities