Gaithersburg Weather History

Maryland, United States of America

Weather on a past date in Gaithersburg

Date Any date from 1 January 2009 to yesterday.

Sat 14 Nov, 2026 Weather in Gaithersburg

Sunrise: 06:50 AM Sunset: 04:55 PM	Moonrise: 11:52 AM Moonset: 09:31 PM	Max: 8.0 °c	Min: 2.1 °c	Avg: 5.4 °c	Precip: 0.00 mm	Max Wind: 26.6 kph

	Sat 14 0:00 am	Sat 14 3:00 am	Sat 14 6:00 am	Sat 14 9:00 am	Sat 14 12:00 pm	Sat 14 3:00 pm	Sat 14 6:00 pm	Sat 14 9:00 pm
Icon
Temp	2.6°c	3.3°c	2.2°c	5.1°c	7.7°c	7.9°c	6.6°c	6.5°c
Wind	10.8 kmph	11.5 kmph	15.1 kmph	22.3 kmph	23.8 kmph	24.8 kmph	22.7 kmph	20.2 kmph
Precip	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm
Cloud	37%	29%	35%	86%	98%	84%	77%	90%
Humidity	64%	71%	75%	60%	50%	55%	62%	65%
Pressure	1010 mb	1011 mb	1012 mb	1013 mb	1013 mb	1014 mb	1016 mb	1017 mb

Gaithersburg Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	4°C / 39°F	-3°C / 26°F	0°C / 32°F	173 hours	90.64 mm / 3.57 In	7 days	1019 mb / 31 In
February	6°C / 44°F	-2°C / 29°F	2°C / 36°F	154 hours	101.74 mm / 4.01 In	8 days	1019 mb / 31 In
March	12°C / 53°F	2°C / 36°F	7°C / 44°F	168 hours	101.84 mm / 4.01 In	7 days	1018 mb / 31 In
April	18°C / 64°F	8°C / 46°F	13°C / 55°F	177 hours	108.61 mm / 4.28 In	7 days	1016 mb / 30 In
May	23°C / 73°F	13°C / 55°F	18°C / 64°F	184 hours	139.27 mm / 5.48 In	10 days	1016 mb / 30 In
June	28°C / 82°F	18°C / 64°F	23°C / 73°F	226 hours	127.30 mm / 5.01 In	10 days	1014 mb / 30 In
July	31°C / 88°F	21°C / 69°F	26°C / 78°F	235 hours	152.49 mm / 6.00 In	11 days	1015 mb / 30 In
August	29°C / 85°F	20°C / 68°F	24°C / 75°F	217 hours	113.70 mm / 4.48 In	10 days	1016 mb / 30 In
September	26°C / 78°F	16°C / 61°F	21°C / 69°F	203 hours	137.75 mm / 5.42 In	7 days	1018 mb / 31 In
October	19°C / 67°F	10°C / 50°F	14°C / 58°F	203 hours	114.72 mm / 4.52 In	6 days	1018 mb / 31 In
November	12°C / 54°F	4°C / 39°F	8°C / 46°F	208 hours	90.13 mm / 3.55 In	5 days	1020 mb / 31 In
December	7°C / 45°F	0°C / 32°F	3°C / 38°F	176 hours	118.32 mm / 4.66 In	7 days	1020 mb / 31 In

Need more than one day of Gaithersburg history?

Download historical weather for Gaithersburg, or any other location, in CSV from January 2009 onwards. Ideal for research, insurance, energy, agriculture and machine-learning projects.

Historical weatherDaily and hourly interval data.
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Gaithersburg weather history: common questions

How far back does Gaithersburg weather history go?

Hourly historical weather is available from 1 January 2009. Choose a date above, or pick a month at the top of the page for long-term averages.

Can I download Gaithersburg historical weather as a file?

Yes. Buy historical weather data as daily or hourly CSV, yearly monthly averages or monthly climate averages. A free sample download is available.

Is there an API for historical weather?

Yes. The WeatherAPI.com History API returns hourly weather for any past date from 2010, as JSON or XML. Get a free API key.

Historical weather data

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CSV files from January 2009 to today:

Daily and hourly historical weather
Yearly monthly averages
Monthly climate averages

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For developers

History API

Hourly past weather for Gaithersburg as JSON, from 2010.

GET https://api.weatherapi.com/v1/history.json?key=YOUR_KEY&q=39.14,-77.2&dt=2026-01-01 Get your free API key Compare plans »