Dartmouth in Spring
In spring (March, April and May), Dartmouth sees average daytime highs around 9°C and overnight lows near 0°C, with 282 mm of precipitation over about 35 wet days across the season. It is the 3rd-warmest season and the 3rd-wettest season.
Over the season highs climb from about 2°C in early March to 16°C by late May. The sky is clear or mostly clear about 19% of the time across spring, and the air most often feels dry.
Spring is Dartmouth's 3rd-best season to visit on our travel score. For the whole year in context, see Dartmouth's year-round climate.
- Avg daytime high
- 9°C
- 3rd-warmest season
- Avg overnight low
- 0°C
- Precipitation
- 282 mm
- 35 wet days
- Avg wind
- 15 km/h
- Travel score
- 1.8
- 3rd-best season
- Months
- Mar · Apr · May
Temperature in Dartmouth in Spring
Over the season highs climb from about 2°C in early March to 16°C by late May.
A typical spring day in Dartmouth reaches about 9°C and drops to 0°C overnight. The warmest of the three months is May, the coolest March.
How spring really feels in Dartmouth
Once humidity and wind are folded in, spring brings about 0 days that feel above 32°C and 64 that feel at or below 0°C.
The story in spring is cold — wind chill drags the overnight "feels like" below the raw low.
Dartmouth 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 (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | -1° / -9° | 111 | 11.5 | 7.9 | 9 | 0.0 |
| Feb | -0° / -9° | 101 | 10.4 | 7.4 | 10.1 | 0.0 |
| Mar | 3° / -5° | 108 | 12 | 6.8 | 11.6 | 0.0 |
| Apr | 9° / 1° | 92 | 12.1 | 3.7 | 13.2 | 1.6 |
| May | 14° / 5° | 83 | 11.3 | 0.3 | 14.6 | 3.9 |
| Jun | 19° / 10° | 98 | 11.7 | 0 | 15.3 | 5.7 |
| Jul | 23° / 15° | 90 | 10.3 | 0 | 15 | 6.5 |
| Aug | 23° / 15° | 91 | 10.2 | 0 | 13.9 | 6.7 |
| Sep | 20° / 11° | 97 | 9.4 | 0 | 12.3 | 6.2 |
| Oct | 14° / 6° | 124 | 10.6 | 0.1 | 10.7 | 3.9 |
| Nov | 8° / 1° | 129 | 11.1 | 1.7 | 9.4 | 1.3 |
| Dec | 3° / -4° | 134 | 13.3 | 6.2 | 8.7 | 0.0 |
Cloud cover in Spring
The sky is clear or mostly clear about 19% of the time across spring.
Chance of precipitation in Spring
Dartmouth gets around 282 mm of rain and snow over 35 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 15 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 10 h 48 min in early March to 15 h 06 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 4.5 kWh/m².
Hazard calendar for Dartmouth
None of Dartmouth's seasonal hazards peak in spring. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Dartmouth sits in the Atlantic hurricane belt; the season peaks August–October.
Is spring a good time to visit Dartmouth?
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 Dartmouth.
What to pack for Dartmouth in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Dartmouth sees daytime highs around 9°C and nights near 0°C. Pack a warm layer and a heavy coat. Worth having: rain gear and sun protection. About 35 days see rain.
Sea temperature near Dartmouth in Spring
The nearest coast averages about 3°C across spring — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 17 km away) is warmest in August at about 17°C and coldest in March near 1°C.
The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 3 | 1 | 1 | 2 | 5 | 10 | 14 | 17 | 16 | 13 | 9 | 6 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Cool | Bracing | Bracing | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 3 | Bracing |
| Feb | 1 | Bracing |
| Mar | 1 | Bracing |
| Apr | 2 | Bracing |
| May | 5 | Bracing |
| Jun | 10 | Bracing |
| Jul | 14 | Bracing |
| Aug | 17 | Cool |
| Sep | 16 | Cool |
| Oct | 13 | Bracing |
| Nov | 9 | Bracing |
| Dec | 6 | Bracing |
UV index in Dartmouth in Spring
Clear-sky midday UV across spring averages around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Dartmouth 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 22 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 2 | 3 | 5 | 7 | 8 | 8 | 6 | 5 | 3 | 2 | 1 |
| Level | Low | Moderate | Moderate | Moderate | Very high | Very high | Very high | High | Moderate | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Moderate |
| Mar | 3 | Moderate |
| Apr | 5 | Moderate |
| May | 7 | Very high |
| Jun | 8 | Very high |
| Jul | 8 | Very high |
| Aug | 6 | High |
| Sep | 5 | Moderate |
| Oct | 3 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
Where is Dartmouth?
Dartmouth sits at 44.7°N, 63.6°W, 35 m above sea level, in Canada. The nearest listed city is Downtown Halifax, 3.0 km away.
Topography around Dartmouth
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Dartmouth.
Within 3 km, the terrain around Dartmouth has only modest variations in elevation — a maximum elevation change of 89 m around an average of 35 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 189 m; within 80 km, significant variations in elevation — a maximum elevation change of 326 m.
The land around Dartmouth is covered by artificial surfaces (42%), trees (28%) and water (23%) within 3 km, trees (62%) and water (22%) within 16 km, and trees (54%) and water (40%) within 80 km.
Canada travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 83% of US
- price level, 2025
- GDP per capita
- $55,698
- 2025
- Happiness
- 6.7 / 10
- World Happiness, 2025
- Safe drinking water
- 97%
- of population, 2024
- Homicide rate
- 2
- per 100k, 2023
- Road deaths
- 5.3
- 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 Dartmouth (44.6713°, -63.5772°, elevation 35 m), 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.