WEATHERblaze

Bay of Plenty Historical Weather Data & Climate

Historical Climate Data for 3 Cities
1981–2025
New Zealand

Quick Climate Facts

(19812025)
Hottest City
🔥
Tauranga
Jul High 15.9°C
Coldest City
❄️
Rotorua
Jan Low 9.7°C
Wettest City
🌧
Tauranga
1249 mm/yr
Driest City
🏜️
Whakatane
1114 mm/yr
Hottest Month
🌡
February
Avg 19.4°C
Max 26.6°C
Coldest Month
🧊
August
Avg 9.7°C
Min 3.8°C
Cities With Data
🏙️
3
cities in Bay of Plenty
Data Coverage
📅
45 yrs
19812025

Bay of Plenty Climate Overview

Bay of Plenty has a warm temperate climate with warm summers and mild winters.

Bay of Plenty has an average annual temperature of 14.2°C across all 3 cities, with approximately 1167 mm of annual precipitation and average humidity of 80%. Temperatures peak in February and drop to their lowest in August, while rainfall is highest during summer months.

The warmest city is Tauranga with average July highs of 15.9°C, while Rotorua is the coldest with average January lows of 9.7°C. Humidity remains high throughout the year creating warm and humid conditions. These seasonal patterns offer comfortable conditions year-round, with warm summers and mild winters.

🏙️ Cities in Bay of Plenty — Weather History

📊 Bay of Plenty Monthly Climate Data

Monthly Climate Data
Month🌤️HighLowAvgHumid %Rain (mm)Wind (m/s)Solar (kWh/m²)
January☀️26.6°C11.6°C19.1°C73%772.66.70
February☀️26.6°C12.3°C19.4°C74%792.55.80
March24.6°C10.5°C17.6°C75%892.54.70
April22.0°C8.1°C15.1°C79%1052.53.30
May18.9°C6.0°C12.5°C83%1062.72.40
June16.5°C4.4°C10.4°C86%1232.71.80
July15.0°C3.8°C9.4°C86%1272.82.10
August15.6°C3.8°C9.7°C84%1072.72.80
September17.5°C4.9°C11.2°C82%972.83.90
October19.5°C6.1°C12.8°C80%862.85.10
November☀️22.2°C8.0°C15.1°C77%772.86.10
December24.6°C10.3°C17.4°C75%932.76.50

Showing average climate conditions across 45 years (1981–2025) · averaged across all 3 cities in Bay of Plenty

🌦 Weather in Bay of Plenty Across Seasons

❄️ Winter in Bay of Plenty

August is Bay of Plenty's coldest month, with average lows reaching 3.8°C.
🌡️June to August (avg) · 4.0°C15.7°C

🧥 Light layers are sufficient — this Mild Winter stays cool without prolonged hard freezes.

☀️ Summer in Bay of Plenty

Summer temperatures in Bay of Plenty peak in February, climbing to 26.6°C.
🌡️January to March (avg) · 11.5°C25.9°C

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

🌧️ Rainy Season in Bay of Plenty

Bay of Plenty sees its highest rainfall in July, receiving approximately 127 mm of precipitation.
🌧️June to August (avg) ·  up to 127 mm

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

📈 Bay of Plenty Monthly Averages

🌡️ Temperature Patterns

Region-wide monthly averages across 3 cities · 19812025 · °C

🌡️ Bay of Plenty Monthly Temperature Guide

February is the hottest month in Bay of Plenty, with average highs reaching 26.6°C, while August is the coldest with lows dropping to 3.8°C.

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

These seasonal patterns offer comfortable conditions year-round, with warm summers and mild winters.

🌧️ Rainfall Distribution

Region-wide monthly rainfall · 19812025 · mm/month

💨 Humidity & Wind Speed

Monthly averages · 19812025

🌧 Rainfall & Humidity in Bay of Plenty

Bay of Plenty receives its highest rainfall in July, while humidity peaks during summer months.
🌧️ Wettest: July127 mm☀️ Driest: November77 mm

💧 Humidity peaks at 86% in June · annual avg 80%

📅 Bay of Plenty Yearly Climate Trends

The warmest year on record was 2019 (avg: 15.1°C), while the coldest year was 1992 (avg: 12.8°C).

📊 Key Climate Trends

  • 🌡️ Bay of Plenty's temperature shows a slight warming trend over the past decade
  • 📈 Minimum temperatures show a slight warming trend in recent years
  • 🌧️ Rainfall has increased noticeably in recent years compared to earlier periods

🌡️ Annual Temperature Trend

View Range:

Averaged across all 3 cities in Bay of Plenty · Last 10 years · °C

Bay of Plenty's temperature shows a slight warming trend over the past decade. The region-wide average sits at 14.2°C with annual rainfall averaging 1167 mm.

🌧️ Annual Precipitation

View Range:

Averaged across all 3 cities in Bay of Plenty · Last 10 years · mm/year

Annual rainfall in Bay of Plenty shows noticeable variation. Rainfall has increased noticeably in recent years compared to earlier periods.
📅 Yearly Climate Data Overview

🔥 hottest  ·  ❄️ coldest  ·  🌧️ wettest

ℹ️ Values are averages across all 3 cities in Bay of Plenty for each year.

YearMin TempAvg TempMax TempRainfall (mm)Avg HumidityAvg Wind
2025
8.3°C14.9°C21.4°C151380%2.6 m/s
2024
7.8°C14.6°C21.3°C108880%2.5 m/s
2023
7.8°C14.1°C20.4°C176884%2.8 m/s
2022 🌧️
8.5°C14.9°C21.3°C184782%2.6 m/s
2021
8.2°C14.9°C21.5°C115780%2.6 m/s
2020
8.0°C14.9°C21.7°C95978%2.6 m/s
2019 🔥
8.4°C15.1°C21.8°C92078%2.6 m/s
2018
7.8°C14.6°C21.3°C140482%2.5 m/s
2017
7.7°C14.4°C21.0°C140681%2.5 m/s
2016
8.2°C15.0°C21.7°C108180%2.7 m/s

Showing 1 to 10 of 45 years

🏙️ Explore More Cities in Bay of Plenty

❓ Frequently Asked Questions

What is the hottest city in Bay of Plenty?
Tauranga is the hottest city in Bay of Plenty with an average July high of 15.9°C based on 45 years of data. View Tauranga weather history →
What is the coldest city in Bay of Plenty?
Rotorua is the coldest city with average January lows of 9.7°C. View Rotorua weather history →
Which city in Bay of Plenty gets the most rain?
Tauranga is the wettest city in Bay of Plenty with approximately 1249 mm of annual precipitation on average.
What is the warmest month in Bay of Plenty?
February is the warmest month in Bay of Plenty, with region-wide average highs of 26.6°C and average lows of 12.3°C.
What is the coldest month in Bay of Plenty?
August is the coldest month in Bay of Plenty with average lows of 3.8°C and average highs of 15.6°C.
What is the rainiest month in Bay of Plenty?
July is the rainiest month in Bay of Plenty with approximately 127 mm on average, while November is the driest with 77 mm.
How many cities in Bay of Plenty have weather data?
WeatherBlaze has historical weather data for 3 cities in Bay of Plenty, 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: 19812025
  • Cities: 3 in Bay of Plenty