Lampton Township has some of the coldest winter nights among U.S. towns
High summer brings afternoon highs near 79°. A year here swings 81° from midwinter lows to midsummer highs. In July, afternoons here are cooler than in 95% of U.S. towns. Garden chairs stay out from May to September, the months with highs of 66–79°.
A year in Lampton Township at a glance
Each month’s typical high and low, and what it brings.
What stands out about Lampton Township’s climate
Compared with towns across the U.S., with Lampton Township’s place in North Dakota beside it.
What a year in Lampton Township feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 156 frost-free days a year
In half of years the last 32° night comes by May 4 and the first by October 7. Frost and day counts come from NOAA’s station at Grafton, ND, 21 miles from the town’s center, 370 ft lower.
The 2023 USDA map puts Lampton Township’s center in zone 4a: the coldest night of a typical winter, averaged over 1991–2020, reaches about −29°. Plant labels use the zone; frost dates tell you when to plant.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
About 21 inches of rain a year
June is the wettest month and February the driest.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Lampton Township
94% of the work is heating, so the furnace matters far more than the air conditioner. Months averaging under 55° run from October through May.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Grafton, ND.
Living with Lampton Township’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
156 frost-free days in zone 4a. The last frost comes by May 4 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Oct 7.
Months with highs of 62–84° and lows of 40° or more: May, June, July, August and September. 26 miles of trails are waiting.
Parks & trails →Cold waves are 26% of the yearly building losses FEMA expects in Lampton Township from natural hazards, the largest share. Normals are averages; the hazards page covers the extremes.
Natural hazards →Lampton Township and its neighbors
Dundee Township the hottest July afternoons (80°, 1° warmer). Differences under a degree are within what the 5 km grid can tell apart. Tap a town to see its climate.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value. Snow and frost-free days come from the nearest weather station, so neighbors often share them.
Warmer than it used to be
The last 30 years in Lampton Township averaged 1.5° warmer than the 1900s. The biggest change is in January (+3.8°).
A bigger shift than in 62% of U.S. towns.
Change by month
The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods.
How Lampton Township compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Lampton Township’s place among North Dakota’s.
Lampton Township weather by month
Highs, lows and precipitation from NOAA’s grid at Lampton Township’s center. 1991–2020 normals.
| Month | High | Low | Rain + melt | 30-yr range |
|---|---|---|---|---|
| January | 14° | −2° | 0.6" | −7° – 22° |
| February | 19° | 1° | 0.5" | −3° – 25° |
| March | 32° | 15° | 0.9" | 13° – 37° |
| April | 51° | 29° | 1.1" | 27° – 49° |
| May | 66° | 42° | 3.0" | 47° – 61° |
| June | 75° | 53° | 3.8" | 60° – 69° |
| July | 79° | 57° | 3.5" | 61° – 73° |
| August | 78° | 55° | 2.6" | 59° – 70° |
| September | 69° | 46° | 2.3" | 52° – 64° |
| October | 52° | 33° | 1.6" | 34° – 48° |
| November | 34° | 18° | 0.8" | 12° – 40° |
| December | 19° | 5° | 0.7" | −3° – 24° |
| Year | 49° | 29° | 21.4" |
How much a month can swing
A normal is an average. January swings the most: from 1991 to 2020 its average ranged from -7° to 22°. June is the most reliable, staying within 9°.
Where Lampton Township’s numbers come from
Normals are 30-year averages, not a forecast. How TownRatings reads climate data →
- Temperatures and precipitation: NOAA’s gridded 1991–2020 normals for the 5 km cell at Lampton Township’s center.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Grafton, ND, 21 miles from the town’s center, 370 ft lower; the nearest station that passes our checks for distance, height and agreement with the grid.
- Growing zone: USDA Plant Hardiness Zone Map, 2023. USDA Agricultural Research Service and PRISM Group, Oregon State University, prism.oregonstate.edu/phzm, accessed 8 Oct 2026.
- Then and now: NOAA’s gridded normals for 1901–2000 at the same cell.
- Storms and extremes: FEMA National Risk Index (expected annual losses to buildings).
Common questions about Lampton Township’s climate
What is the weather like in Lampton Township?
A typical July afternoon reaches 79°, a January night drops to −2°. Colder January nights than all but 24 U.S. towns; cooler July afternoons than 95% of U.S. towns.
How cold does it get in Lampton Township in winter?
January nights average −2°. About 169 nights a year reach 32° or below and 46 reach 0° or below. In the coldest January of the last 30 years the month averaged −7°.
How hot does it get in Lampton Township?
July, with a typical high of 79° and a low of 57°. About 10 days a year reach 90° (Grafton, ND).
When is the first and last frost in Lampton Township?
In half of years the last spring frost (32°) comes by May 4 and the first fall frost by October 7, about 156 frost-free days, at Grafton, ND.
What growing zone is Lampton Township in?
Zone 4a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −29°.
What is the best time of year to visit Lampton Township?
By one simple rule (highs of 62–84° and lows of 40° or more), May, June, July, August and September. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Lampton Township getting warmer?
Yes: 1991–2020 averaged 1.5° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 62% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Lampton Township.
Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000; USDA/PRISM 2023 hardiness zones; FEMA National Risk Index. Today’s forecast: National Weather Service.