Williston in Spring
In spring (March, April and May), Williston sees average daytime highs around 51°F and overnight lows near 31°F, with 4.9 in of precipitation over about 22 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.
Over the season highs climb from about 29°F in early March to 69°F by late May. The sky is clear or mostly clear about 25% of the time across spring, and the air most often feels dry.
Spring is Williston's 3rd-best season to visit on our travel score. For the whole year in context, see Williston's year-round climate.
- Avg daytime high
- 51°F
- 3rd-warmest season
- Avg overnight low
- 31°F
- Precipitation
- 4.9 in
- 22 wet days
- Avg wind
- 10 mph
- Travel score
- 3.0
- 3rd-best season
- Months
- Mar · Apr · May
Temperature in Williston in Spring
Over the season highs climb from about 29°F in early March to 69°F by late May.
A typical spring day in Williston reaches about 51°F and drops to 31°F overnight. The warmest of the three months is May, the coolest March.
How spring really feels in Williston
Once humidity and wind are folded in, spring brings about 0 days that feel above 90°F and 67 that feel at or below 32°F.
The story in spring is cold — wind chill drags the overnight "feels like" below the raw low.
Williston weather by month
How the three spring months (March, April and May) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 20° / 4° | 0.6 | 4.2 | 4.5 | 8.6 | 0.0 |
| Feb | 25° / 8° | 0.5 | 3.7 | 3.8 | 9.9 | 0.0 |
| Mar | 37° / 19° | 0.9 | 5.3 | 4 | 11.6 | 0.2 |
| Apr | 53° / 31° | 1.5 | 7.1 | 2.8 | 13.4 | 3.1 |
| May | 65° / 42° | 2.6 | 9.3 | 0.7 | 14.9 | 5.8 |
| Jun | 73° / 53° | 3.1 | 10.7 | 0 | 15.8 | 6.7 |
| Jul | 80° / 58° | 2.3 | 8.2 | 0 | 15.4 | 7.1 |
| Aug | 80° / 55° | 1.7 | 7.7 | 0 | 14.1 | 7.3 |
| Sep | 70° / 46° | 1.7 | 5.8 | 0 | 12.4 | 7.2 |
| Oct | 54° / 33° | 1.3 | 5.9 | 1.5 | 10.6 | 3.6 |
| Nov | 37° / 20° | 0.8 | 4.9 | 3.8 | 9 | 0.1 |
| Dec | 24° / 9° | 0.6 | 4.7 | 4.9 | 8.2 | 0.0 |
Cloud cover in Spring
The sky is clear or mostly clear about 25% of the time across spring.
Chance of precipitation in Spring
Williston gets around 4.9 in of rain and snow over 22 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 10 mph across spring.
Sunrise & sunset in Spring
Daylight runs from about 10 h 42 min in early March to 15 h 30 min by late May. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 5.1 kWh/m².
Is spring a good time to visit Williston?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is a weaker month for outdoor sightseeing in Williston.
What to pack for Williston in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Williston sees daytime highs around 51°F and nights near 31°F. Pack a warm layer, a heavy coat and sun protection. Worth having: rain gear. About 22 days see rain.
UV index in Williston in Spring
Clear-sky midday UV across spring averages around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Williston peaks around June 21 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 20 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 2 | 3 | 4 | 6 | 8 | 8 | 6 | 5 | 3 | 1 | 1 |
| Level | Low | Low | Moderate | Moderate | High | Very high | Very high | High | Moderate | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Low |
| Mar | 3 | Moderate |
| Apr | 4 | Moderate |
| May | 6 | High |
| Jun | 8 | Very high |
| Jul | 8 | Very high |
| Aug | 6 | High |
| Sep | 5 | Moderate |
| Oct | 3 | Moderate |
| Nov | 1 | Low |
| Dec | 1 | Low |
Air quality in Williston in Spring
Average fine-particle pollution (PM2.5) through the year — so you can see where spring falls, not just the annual average.
Air quality in Williston is worst in August — around 16 µg/m³ PM2.5 (moderate), about 3.0× the cleanest month (October, 5 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 7 | 8 | 12 | 11 | 11 | 9 | 14 | 16 | 10 | 5 | 6 | 7 |
| Level | Good | Good | Good | Good | Good | Good | Moderate | Moderate | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 7 | Good |
| Feb | 8 | Good |
| Mar | 12 | Good |
| Apr | 11 | Good |
| May | 11 | Good |
| Jun | 9 | Good |
| Jul | 14 | Moderate |
| Aug | 16 | Moderate |
| Sep | 10 | Good |
| Oct | 5 | Good |
| Nov | 6 | Good |
| Dec | 7 | Good |
Where is Williston?
Williston sits at 48.1°N, 103.6°W, 1,877 ft above sea level, in United States. The nearest listed city is Dickinson, 96 mi away.
Topography around Williston
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Williston.
Within 2 miles, the terrain around Williston has only modest variations in elevation — a maximum elevation change of 243 ft around an average of 1,867 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 650 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 912 ft.
The land around Williston is covered by grassland (42%) and artificial surfaces (28%) within 2 miles, grassland (61%) and cropland (25%) within 10 miles, and grassland (56%) and cropland (38%) within 50 miles.
United States travel facts
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 100% of US
- price level, 2025
- GDP per capita
- $90,027
- 2025
- Happiness
- 6.8 / 10
- World Happiness, 2025
- Safe drinking water
- 98%
- of population, 2024
- Homicide rate
- 5.8
- per 100k, 2023
- Road deaths
- 12.7
- per 100k/yr, 2019
- Income group
- High
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Williston (48.147°, -103.618°, elevation 1,877 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.