Photo: Coal town guy · CC BY-SA 4.0No extremes in Deep Water: its weather tracks the middle of U.S. towns
High summer brings afternoon highs near 85°. Winters are mild: January nights here are milder than in 63% of U.S. towns. Warming shows here too: 0.9° more than in 1901–2000, led by December. From April to June and August to October, highs of 68–84° make it easy to spend the day outdoors.
A year in Deep Water at a glance
Each month’s typical high and low, and what it brings.
What stands out about Deep Water’s climate
Compared with towns across the U.S., with Deep Water’s place in West Virginia beside it.
What a year in Deep Water feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 209 frost-free days a year
In half of years the last 32° night comes by April 7 and the first by November 4. Frost and day counts come from NOAA’s station at London Locks, WV, 8 miles from the town’s center, 310 ft lower.
The 2023 USDA map puts Deep Water’s center in zone 7a: the coldest night of a typical winter, averaged over 1991–2020, reaches about 2°. 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 45 inches of rain a year
July is the wettest month and November the driest.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Deep Water
80% of the work is heating. Months averaging under 55° run from November through April.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at London Locks, WV.
Living with Deep Water’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
209 frost-free days in zone 7a. The last frost comes by Apr 7 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Nov 4.
Months with highs of 62–84° and lows of 40° or more: April, May, June, August, September and October.
Parks & trails →Of the yearly building losses FEMA expects in Deep Water from natural hazards, river flooding is the largest share (94%); heat waves, cold waves, winter storms and ice storms together are 1%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Deep Water and similar climates
TownRatings has no climate map of the towns around Deep Water yet.
Temperatures and precipitation come from NOAA’s 5 km grid; snow and day counts from the stations named on this page.
Warmer than it used to be
The last 30 years in Deep Water averaged 0.9° warmer than the 1900s. The biggest change is in December (+2.0°).
A smaller shift than in 86% 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 Deep Water compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Deep Water’s place among West Virginia’s.
Deep Water weather by month
Highs, lows and precipitation from NOAA’s grid at Deep Water’s center. 1991–2020 normals.
| Month | High | Low | Rain + melt | 30-yr range |
|---|---|---|---|---|
| January | 43° | 25° | 3.1" | 26° – 41° |
| February | 47° | 27° | 3.1" | 25° – 44° |
| March | 56° | 34° | 4.1" | 38° – 55° |
| April | 68° | 42° | 3.7" | 49° – 60° |
| May | 75° | 51° | 4.8" | 56° – 69° |
| June | 81° | 59° | 4.5" | 66° – 74° |
| July | 85° | 63° | 5.3" | 69° – 77° |
| August | 84° | 63° | 3.9" | 70° – 77° |
| September | 78° | 56° | 3.5" | 64° – 73° |
| October | 68° | 45° | 2.9" | 53° – 62° |
| November | 56° | 34° | 2.8" | 39° – 51° |
| December | 46° | 29° | 3.6" | 26° – 49° |
| Year | 65° | 44° | 45.2" |
How much a month can swing
A normal is an average. December swings the most: from 1991 to 2020 its average ranged from 26° to 49°. June is the most reliable, staying within 8°.
Where Deep Water’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 Deep Water’s center.
- Frost, freezing nights, 90° and 100° days, heating and cooling: London Locks, WV, 8 miles from the town’s center, 310 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 Deep Water’s climate
What is the weather like in Deep Water?
A typical July afternoon reaches 85°, a January night drops to 25°. Milder January nights than 63% of U.S. towns; cooler July afternoons than 55% of U.S. towns.
How cold does it get in Deep Water in winter?
January nights average 25°. About 90 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 26°.
How hot does it get in Deep Water?
July, with a typical high of 85° and a low of 63°. About 22 days a year reach 90° (London Locks, WV).
When is the first and last frost in Deep Water?
In half of years the last spring frost (32°) comes by April 7 and the first fall frost by November 4, about 209 frost-free days, at London Locks, WV.
What growing zone is Deep Water in?
Zone 7a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 2°.
What is the best time of year to visit Deep Water?
By one simple rule (highs of 62–84° and lows of 40° or more), April, May, June, August, September and October. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Deep Water getting warmer?
Yes: 1991–2020 averaged 0.9° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 86% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Deep Water.
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.