Alton Weather History New Hampshire, United States of America

Weather History Form

Past date: Past date must be from 1st Jan, 2009 onwards.

Buy Weather Data

Daily and hourly data from 1 Jan 2009 onwards.
Yearly Monthly Averages
Monthly Climate Data
CSV format

Find out more»

Sun 11 May, 2025 Weather in Alton

Sunrise: 05:25 AM Sunset: 07:59 PM	Moonrise: 07:24 PM Moonset: 04:31 AM	Max: 16.6 °c	Min: 8.7 °c	Avg: 11.9 °c	Precip: 0.00 mm	Max Wind: 16.6 kph

	Sun 11 0:00 am	Sun 11 3:00 am	Sun 11 6:00 am	Sun 11 9:00 am	Sun 11 12:00 pm	Sun 11 3:00 pm	Sun 11 6:00 pm	Sun 11 9:00 pm
Icon
Temp	9.1°c	9.4°c	9.6°c	11.3°c	14.6°c	16.4°c	14.1°c	10.5°c
Wind	8.3 kmph	6.1 kmph	6.8 kmph	15.1 kmph	14.0 kmph	15.8 kmph	11.5 kmph	6.1 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	23%	37%	24%	10%	0%	0%	0%	30%
Humidity	86%	83%	81%	70%	47%	33%	32%	36%
Pressure	1016 mb	1017 mb	1019 mb	1022 mb	1023 mb	1024 mb	1025 mb	1028 mb

Alton Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	-2°C / 28°F	-10°C / 14°F	-6°C / 21°F	162 hours	93.04 mm / 3.66 In	9 days	1015 mb / 30 In
February	-1°C / 30°F	-9°C / 15°F	-5°C / 23°F	138 hours	92.09 mm / 3.63 In	8 days	1016 mb / 30 In
March	4°C / 39°F	-5°C / 23°F	-1°C / 31°F	140 hours	106.52 mm / 4.19 In	8 days	1016 mb / 30 In
April	11°C / 51°F	1°C / 34°F	6°C / 42°F	140 hours	124.81 mm / 4.91 In	8 days	1015 mb / 30 In
May	18°C / 65°F	7°C / 45°F	13°C / 55°F	171 hours	81.19 mm / 3.20 In	7 days	1016 mb / 30 In
June	22°C / 72°F	12°C / 53°F	17°C / 63°F	179 hours	119.04 mm / 4.69 In	9 days	1013 mb / 30 In
July	26°C / 79°F	16°C / 60°F	21°C / 70°F	214 hours	118.34 mm / 4.66 In	9 days	1014 mb / 30 In
August	25°C / 78°F	15°C / 59°F	20°C / 68°F	224 hours	101.11 mm / 3.98 In	7 days	1015 mb / 30 In
September	21°C / 71°F	11°C / 52°F	16°C / 61°F	207 hours	91.53 mm / 3.60 In	5 days	1018 mb / 31 In
October	14°C / 57°F	6°C / 42°F	10°C / 49°F	166 hours	122.79 mm / 4.83 In	7 days	1017 mb / 30 In
November	7°C / 45°F	-1°C / 31°F	3°C / 37°F	190 hours	101.45 mm / 3.99 In	7 days	1018 mb / 31 In
December	1°C / 34°F	-5°C / 23°F	-2°C / 28°F	159 hours	140.14 mm / 5.52 In	9 days	1017 mb / 31 In

New Hampshire

Hotels Near Alton

Cities Near Alton

Quick and Easy Signup for Weather API

WeatherAPI.com makes it super easy to integrate our realtime, daily, hourly and 15 min interval weather forecast data, historical weather, marine weather, bulk request, air quality data, autocomplete, time zone, astronomy and sports data into your new or existing project.

Get Started