WEATHERblaze

Nova Scotia Historical Weather Data & Climate

Historical Climate Data for 12 Cities
•
1981–2025
•
Canada
⛅

Quick Climate Facts

(1981 – 2025)
Hottest City
🔥
New Glasgow
Jul High 24.0°C
Coldest City
❄️
Amherst
Jan Low -11.5°C
Wettest City
🌧
Halifax
1224 mm/yr
Driest City
🏜️
New Glasgow
871 mm/yr
Hottest Month
🌡
August
Avg 18.7°C
High 22.6°C
Coldest Month
🧊
February
Avg -4.7°C
Low -8.3°C
Cities With Data
🏙️
12
cities in Nova Scotia
Data Coverage
📅
45 yrs
1981 – 2025

Nova Scotia Climate Overview

Nova Scotia has a temperate climate with warm summers and cold winters.

Nova Scotia has an average annual temperature of 6.7°C across all 12 cities, with approximately 1072 mm of annual precipitation and average humidity of 84%. Temperatures peak in August and drop to their lowest in February, while rainfall is highest during winter months.

The warmest city is New Glasgow with average July highs of 24.0°C, while Amherst is the coldest with average January lows of -11.5°C. Humidity remains high throughout the year, especially during winter months, creating cold and damp conditions. These seasonal patterns make summer pleasant for travel, while winters can bring frost and occasional snowfall.

🏙️ Cities in Nova Scotia — Weather History

📊 Nova Scotia Monthly Climate Data

Monthly Climate Data
Month🌤️Avg HighAvg TempAvg LowRecord HighRecord LowHumid %Rain (mm)Wind (m/s)Solar (kWh/m²)
January⛅-1.2°C-4.7°C-8.1°C15.1°C-31.1°C88%912.91.30
February⛅-1.2°C-4.7°C-8.3°C13.2°C-26.5°C87%812.82.10
March⛅2.2°C-1.3°C-4.8°C21.3°C-23.5°C84%852.73.30
April⛅7.2°C3.5°C-0.2°C24.2°C-12.0°C83%842.44.40
May⛅12.8°C8.6°C4.3°C28.0°C-4.6°C83%802.15.20
June⛅17.9°C13.7°C9.6°C32.1°C-1.3°C83%892.05.50
July☀️22.1°C18.2°C14.2°C33.4°C6.4°C83%791.95.50
August☀️22.6°C18.7°C14.9°C36.0°C5.2°C82%802.04.90
September⛅19.1°C15.4°C11.6°C31.2°C0.2°C82%862.33.80
October⛅13.2°C9.9°C6.5°C29.0°C-6.6°C83%1022.62.50
November⛅7.2°C4.2°C1.3°C20.0°C-15.1°C85%1072.81.40
December⛅1.9°C-1.1°C-4.1°C15.3°C-28.0°C86%1072.91.00

Showing average climate conditions across 45 years (1981–2025) · averaged across all 12 cities in Nova Scotia

🌦 Weather in Nova Scotia Across Seasons

❄️ Winter in Nova Scotia

February is Nova Scotia's coldest month, with average lows reaching -8.3°C.
🌡️January to March (avg) · -7.1°C – -0.1°C

🧥 Expect frosty nights and below-freezing temperatures during this Cold Winter period.

☀️ Summer in Nova Scotia

Summer temperatures in Nova Scotia peak in August, climbing to 22.6°C.
🌡️July to September (avg) · 13.6°C – 21.3°C

🌤️ Conditions are ideal for outdoor activities throughout the day in this Mild Summer.

🌧️ Rainy Season in Nova Scotia

Nova Scotia sees its highest rainfall in December, receiving approximately 107 mm of precipitation.
🌧️October to December (avg) ·  up to 107 mm

☔ Moderate Rainfall expected — carry rain gear and plan outdoor activities around these months.

📈 Nova Scotia Monthly Averages

🌡️ Temperature Patterns

Region-wide monthly averages across 12 cities · 1981–2025 · °C

🌡️ Nova Scotia Monthly Temperature Guide

August is the hottest month in Nova Scotia, with average highs reaching 22.6°C, while February is the coldest with lows dropping to -8.3°C.

Temperatures rise steadily from spring, peak in August, and gradually decline through autumn into winter.

These seasonal patterns make summer pleasant for travel, while winters can bring frost and occasional snowfall.

🌧️ Rainfall Distribution

Region-wide monthly rainfall · 1981–2025 · mm/month

🌧 Rainfall & Humidity in Nova Scotia

Nova Scotia receives its highest rainfall in December, while humidity peaks during winter months.
🌧️ Wettest: December — 107 mm☀️ Driest: July — 79 mm

💧 Humidity peaks at 88% in January · annual avg 84%

💨 Humidity & Wind Speed

Monthly averages · 1981–2025

🌍 Climate Summary

Avg Temp: 6.7°CAvg Rainfall: 1072 mmAvg Humidity: 84%Period: 1981–2025

Across 45 years, Nova Scotia's temperature has remained relatively stable over the past decade. 2024 was the warmest year overall and 1985 the coolest.

📅 Nova Scotia Yearly Climate Trends

The warmest year on record was 2024 (avg: 8.0°C), while the coldest year was 1985 (avg: 5.3°C).

📊 Key Climate Trends

  • 🌡️ Nova Scotia's temperature has remained relatively stable over the past decade
  • 📊 Minimum temperatures have remained largely stable across the dataset
  • 🌧️ Rainfall has decreased in recent years compared to earlier periods

🌡️ Annual Temperature Trend

View Range:

Averaged across all 12 cities in Nova Scotia · Last 30 years · °C

Nova Scotia's temperature has remained relatively stable over the past decade. The region-wide average sits at 6.7°C with annual rainfall averaging 1072 mm.

🌧️ Annual Precipitation

View Range:

Averaged across all 12 cities in Nova Scotia · Last 30 years · mm/year

Annual rainfall in Nova Scotia shows noticeable variation. Rainfall has decreased in recent years compared to earlier periods.
📅 Yearly Climate Data Overview

🔥 hottest  ·  ❄️ coldest  ·  🌧️ wettest

ℹ️ Values are averages across all 12 cities in Nova Scotia for each year.

YearAvg HighAvg TempAvg LowHottest DayColdest DayRainfall (mm)Avg HumidityAvg Wind
2025
11.1°C7.4°C3.7°C35.5°C-19.8°C91682%2.4 m/s
2024
11.3°C8.0°C4.6°C30.9°C-14.9°C104185%2.3 m/s
2023
11.1°C7.7°C4.3°C30.8°C-26.5°C122085%2.3 m/s
2022
11.5°C7.9°C4.2°C32.5°C-21.3°C119084%2.4 m/s
2021
11.5°C8.0°C4.4°C34.0°C-17.6°C110584%2.5 m/s
2020
11.0°C7.4°C3.7°C31.1°C-26.2°C95184%2.4 m/s
2019
9.8°C6.2°C2.6°C30.2°C-21.9°C122884%2.5 m/s
2018 🌧️
10.5°C6.8°C3.1°C32.6°C-21.1°C136684%2.5 m/s
2017
10.6°C7.0°C3.4°C27.8°C-21.1°C111885%2.4 m/s
2016
10.5°C7.0°C3.5°C30.9°C-23.9°C116086%2.4 m/s

Showing 1 to 10 of 45 years

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❓ Frequently Asked Questions

What is the hottest city in Nova Scotia?▼
New Glasgow is the hottest city in Nova Scotia with an average July high of 24.0°C based on 45 years of data. View New Glasgow weather history →
What is the coldest city in Nova Scotia?▼
Amherst is the coldest city with average January lows of -11.5°C. View Amherst weather history →
Which city in Nova Scotia gets the most rain?▼
Halifax is the wettest city in Nova Scotia with approximately 1224 mm of annual precipitation on average.
What is the warmest month in Nova Scotia?▼
August is the warmest month in Nova Scotia, with region-wide average highs of 22.6°C and average lows of 14.9°C.
What is the coldest month in Nova Scotia?▼
February is the coldest month in Nova Scotia with average lows of -8.3°C and average highs of -1.2°C.
What is the rainiest month in Nova Scotia?▼
December is the rainiest month in Nova Scotia with approximately 107 mm on average, while July is the driest with 79 mm.
How many cities in Nova Scotia have weather data?▼
WeatherBlaze has historical weather data for 12 cities in Nova Scotia, covering 45 years of climate records from 1981 to 2025.
Where does this climate data come from?▼
All data is sourced from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis data. It includes monthly temperature, precipitation, humidity, wind speed, and solar radiation.

📡 Data Source

All weather data is sourced from NASA POWER (Prediction of Worldwide Energy Resources), a NASA project providing solar and meteorological data for renewable energy, building efficiency, and agricultural research.

Parameters included:
  • Temperature (Min, Max)
  • Precipitation
  • Relative Humidity
  • Wind Speed
  • Solar Radiation
Data specifications:
  • Resolution: Monthly
  • Spatial: 0.5° × 0.625°
  • Source: MERRA-2
  • Coverage: 1981–2025
  • Cities: 12 in Nova Scotia