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Weather & Climate in Waltham, United Kingdom
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Waltham experiences four distinct seasons with an average annual temperature of 49°F (10°C). Winters average 39°F in January while summers reach 62°F in July. The area gets 291 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 24.7 inches (drier than the 38-inch national average). The city sits at an elevation of 62 feet.
Temperature
39°F Jan (4°C)
62°F Jul (16°C)
| Annual Average | 49.4°F |
| 9% below US avg | |
| January Average | 39°F (4°C) |
| July Average | 62°F (16°C) |
| Sunny Days | 291 days/yr |
Geography
| Elevation | 62 ft (19 m) |
| Area | 123.1 sq mi (318.8 km²) |
| Population Density | 53/sq mi |
| Coordinates | 53.5167°N, 0.1000°W |
| Timezone | Europe/London |
Precipitation & Snow
Air Quality
Earthquake History
42 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.8.
| Feb 27, 2008 | 1 km NNE of Market Rasen, United Kingdom | M4.8 | 20 km | 18 km |
| Feb 15, 1994 | 7 km ESE of Thetford, United Kingdom | M4.4 | 142 km | 10 km |
| Oct 21, 2002 | 1 km ESE of Manchester, United Kingdom | M4.3 | 140 km | 5 km |
| Oct 28, 2001 | 5 km E of Long Clawson, United Kingdom | M4.2 | 90 km | 12 km |
| Jun 9, 2018 | 7 km NNE of Withernsea, United Kingdom | M4.1 | 33 km | 10 km |
| Dec 21, 2000 | 38 km NNE of Cromer, United Kingdom | M4.0 | 115 km | 10 km |
| Jan 28, 2015 | 2 km WSW of Market Overton, United Kingdom | M3.8 | 97 km | 3 km |
| Oct 24, 2002 | 2 km WNW of Droylsden, United Kingdom | M3.8 | 138 km | 4 km |
| Oct 21, 2002 | 0 km N of Longdendale, United Kingdom | M3.7 | 126 km | 5 km |
| Jan 3, 2011 | 5 km S of Masham, United Kingdom | M3.6 | 125 km | 6 km |
| Feb 8, 1990 | 2 km E of Mansfield, United Kingdom | M3.6 | 82 km | 10 km |
| Sep 20, 1994 | 55 km NE of Mundesley, United Kingdom | M3.6 | 137 km | 10 km |
| Oct 22, 2002 | 0 km S of Droylsden, United Kingdom | M3.5 | 135 km | 4 km |
| Jun 21, 1998 | 74 km E of Flamborough, United Kingdom | M3.5 | 95 km | 25 km |
| Apr 18, 2014 | 3 km WSW of Market Overton, United Kingdom | M3.5 | 98 km | 2 km |
| Feb 29, 2004 | 0 km SW of Diggle, United Kingdom | M3.4 | 126 km | 12 km |
| Jan 30, 2002 | 25 km NNE of Sheringham, United Kingdom | M3.4 | 100 km | 10 km |
| Feb 17, 1992 | 1 km W of Warboys, United Kingdom | M3.4 | 124 km | 10 km |
| Feb 20, 1995 | England, United Kingdom | M3.3 | 147 km | 5 km |
| Oct 23, 2002 | 0 km WSW of Droylsden, United Kingdom | M3.3 | 136 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 39°F (4°C) | 2.2 in | Coldest |
| February | 39°F (4°C) | 1.6 in | Driest |
| March | 43°F (6°C) | 1.9 in | |
| April | 46°F (8°C) | 1.8 in | |
| May | 52°F (11°C) | 1.9 in | |
| June | 57°F (14°C) | 2.1 in | |
| July | 62°F (16°C) | 1.9 in | Warmest |
| August | 62°F (16°C) | 2.3 in | |
| September | 57°F (14°C) | 2.1 in | |
| October | 51°F (11°C) | 2.1 in | |
| November | 44°F (7°C) | 2.4 in | |
| December | 41°F (5°C) | 2.5 in | Wettest |
Waltham has a seasonal temperature swing of 23°F / from 39°F in January to 62°F in July. Total annual precipitation is 24.6 inches, with December being the wettest month (2.5") and February the driest (1.6").