Alton Weather History New Hampshire, United States of America

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

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Mon 28 Sep, 2026 Weather in Alton

Sunrise: 06:39 AM
Sunset: 06:32 PM		Moonrise: 07:04 PM
Moonset: 08:48 AM		Max:
11.4 °c		Min:
9.2 °c		Avg:
10.2 °c		Precip:
20.82 mm		Max Wind:
20.5 kph
 
Mon 28
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IconPatchy rain possibleHeavy rain at timesPatchy rain possiblePatchy rain possiblePatchy rain possibleModerate rain at timesModerate or heavy rain showerModerate or heavy rain shower
Temp11.1°c11.3°c10.2°c9.2°c10.0°c10.0°c9.8°c9.9°c
Wind20.5 kmph18.4 kmph18.4 kmph18.0 kmph17.3 kmph16.6 kmph14.0 kmph13.5 kmph
Precip0.20 mm1.30 mm0.20 mm0.30 mm0.30 mm0.50 mm1.50 mm2.73 mm
Cloud100%100%100%100%100%100%100%100%
Humidity97%98%98%98%98%98%99%98%
Pressure1016 mb1015 mb1015 mb1015 mb1014 mb1013 mb1013 mb1013 mb

Alton Annual Weather Averages

MonthHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
January-2°C / 28°F-10°C / 14°F-6°C / 21°F164 hours93.26 mm / 3.67 In9 days1015 mb / 30 In
February-1°C / 30°F-9°C / 15°F-5°C / 23°F139 hours94.69 mm / 3.73 In7 days1016 mb / 30 In
March4°C / 39°F-5°C / 23°F-1°C / 31°F141 hours114.69 mm / 4.52 In8 days1016 mb / 30 In
April11°C / 51°F1°C / 34°F6°C / 42°F140 hours132.22 mm / 5.21 In8 days1015 mb / 30 In
May18°C / 64°F7°C / 45°F12°C / 54°F156 hours102.49 mm / 4.04 In7 days1015 mb / 30 In
June23°C / 73°F12°C / 54°F17°C / 63°F168 hours136.29 mm / 5.37 In9 days1013 mb / 30 In
July26°C / 80°F16°C / 61°F21°C / 70°F200 hours114.28 mm / 4.50 In8 days1014 mb / 30 In
August25°C / 78°F15°C / 59°F20°C / 68°F209 hours96.62 mm / 3.80 In7 days1015 mb / 30 In
September21°C / 71°F11°C / 52°F16°C / 61°F204 hours95.27 mm / 3.75 In5 days1018 mb / 31 In
October14°C / 57°F6°C / 42°F10°C / 49°F167 hours130.79 mm / 5.15 In7 days1017 mb / 31 In
November7°C / 44°F-1°C / 31°F3°C / 37°F188 hours105.42 mm / 4.15 In7 days1017 mb / 31 In
December1°C / 34°F-5°C / 22°F-2°C / 28°F161 hours146.89 mm / 5.78 In8 days1017 mb / 31 In
New Hampshire

 

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