WEATHERblaze

Rotorua, Bay of Plenty Temperature & Weather History

Bay of Plenty, New Zealand · Climate data since 1981
📍 -38.1378°S, 176.2510°E
☀️

Quick Climate Facts

(19812025)
Hottest Month
🔥
January
Avg 18.5°C
Min 9.7°C
Max 27.3°C
Coldest Month
❄️
July
Avg 7.6°C
Min 1.3°C
Max 14.0°C
Wettest Month
🌧️
July
122 mm
Driest Month
🏜️
November
75 mm
Most Humid
💧
June
88%
Least Humid
🌬️
January
72%
Highest Ever
🌡️
32.3°C
January 1983
Lowest Ever
🧊
-1.4°C
July 1994

Rotorua Climate Overview

Rotorua has a warm temperate climate with warm summers and mild winters.

Temperatures peak in January and drop to their lowest in July, while rainfall is highest during summer months.

Humidity remains high throughout the year creating warm and humid conditions.

Monthly Climate Data
Month🌤️HighLowAvgHumid %Rain (mm)Wind (m/s)Solar (kWh/m²)
January☀️27.3°C9.7°C18.5°C72%771.86.38
February☀️27.3°C10.3°C18.8°C73%761.75.56
March25.0°C8.4°C16.7°C76%851.74.48
April21.9°C5.7°C13.8°C81%1031.73.19
May18.3°C3.6°C10.9°C85%1041.72.23
June15.6°C1.9°C8.8°C88%1201.81.74
July14.0°C1.3°C7.6°C88%1221.81.94
August15.0°C1.4°C8.2°C86%1021.82.67
September17.3°C2.6°C9.9°C84%941.93.65
October19.5°C4.0°C11.8°C81%862.04.76
November🌤️22.5°C6.0°C14.3°C77%751.95.79
December25.0°C8.4°C16.7°C75%931.96.17

Showing average climate conditions across 45 years (1981–2025)

🌍 Weather in Rotorua Across Seasons

❄️ Winter in Rotorua

July is Rotorua's coldest month, with average lows reaching 1.3°C.
🌡️June to August (avg) · 1.5°C14.9°C

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

☀️ Summer in Rotorua

Summer temperatures in Rotorua peak in January, climbing to 27.3°C.
🌡️December to February (avg) · 9.5°C26.5°C

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

🌧️ Rainy Season in Rotorua

Rotorua sees its highest rainfall in July, receiving approximately 122 mm of precipitation.
🌧️May to July (avg) · up to 122 mm

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

📅 Monthly Averages

🌡️ Temperature Patterns

Monthly averages · 19812025 climate normals · °C

🌡️ Rotorua Monthly Temperature Guide

January is the hottest month in Rotorua, with average highs reaching 27.3°C, while July is the coldest with lows dropping to 1.3°C.

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

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

🌧️ Rainfall Distribution

Monthly rainfall · 19812025 seasonal trends · mm/month

💨Humidity & Wind Speed

Monthly averages · 19812025

💧 Rainfall & Humidity in Rotorua

Rotorua receives its highest rainfall in July, while humidity peaks during summer months.
🌧️ Wettest: July 122 mm☀️ Driest: November 75 mm

💧 Humidity peaks at 88% in June · annual avg 81%

🌍 Climate Summary

Avg Annual Temp:13.0°C
Avg Annual Rainfall:1137 mm
Avg Humidity:81%
Data Period:1981 – 2025

📈 Yearly Trends

The warmest year in Rotorua's recorded history was 2019 (avg: 14.1°C), while the coldest was 1992 (avg: 11.5°C).

📊 Key Climate Trends

  • 🌡️ Rotorua'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:

Average annual high/low · Last 10 years · °C

Rotorua's temperatures shows a slight warming trend over the past decade. The highest recorded temperature reached 32.3°C in January 1983, while the lowest dropped to -1.4°C in July 1994.

🌧️ Annual Precipitation

View Range:

Total annual precipitation · Last 10 years · mm/year

Annual rainfall in Rotorua shows noticeable variation. Rainfall has increased noticeably in recent years compared to earlier periods.
📋 Yearly Climate Data Overview

🔥 hottest · ❄️ coldest · 🌧️ wettest

YearMin TempAvg TempMax TempRainfall (mm)Avg HumidityAvg Wind
2025
6.1°C13.7°C21.3°C146581%1.8 m/s
2024
5.6°C13.5°C21.3°C103081%1.7 m/s
2023
5.8°C13.0°C20.3°C166285%1.9 m/s
2022 🌧️
6.3°C13.8°C21.3°C177682%1.7 m/s
2021
6.2°C13.9°C21.6°C106380%1.7 m/s
2020
5.9°C13.8°C21.8°C89178%1.8 m/s
2019 🔥
6.3°C14.1°C21.9°C87679%1.8 m/s
2018
5.8°C13.6°C21.4°C135083%1.7 m/s
2017
5.5°C13.1°C20.8°C144382%1.7 m/s
2016
6.1°C13.8°C21.4°C105581%1.8 m/s

Showing 1 to 10 of 45 years

🏙️ Other Cities in Bay of Plenty

Tauranga
Whakatane
Looking for another region?Explore All New Zealand Regions →

❓ Frequently Asked Questions

What is the hottest month in Rotorua?

Based on 45 years of data (1981–2025), January is typically the hottest month in Rotorua, Bay of Plenty, with average high temperatures around 27.3°C.

What is the coldest month in Rotorua?

July is the coldest month in Rotorua, with average low temperatures around 1.3°C.

What is the rainiest month in Rotorua?

July receives the most rainfall with approximately 122 mm, while November is the driest with 75 mm.

What was the highest temperature ever recorded in Rotorua?

The highest recorded temperature was 32.3°C in January 1983. This is part of the historical record spanning 1981–2025.

What was the lowest temperature ever recorded in Rotorua?

The lowest recorded temperature was -1.4°C in July 1994.

How many years of data does this page cover?

This page covers 45 years of climate data from 1981 to 2025. As new data is added to the database the page automatically reflects the updated coverage.

How much sunlight does Rotorua get?

Rotorua receives the most sunlight in January with an average solar radiation of 6.38 kWh/m²/day. This solar radiation data, sourced from NASA POWER, is useful for solar energy planning and agriculture in Bay of Plenty.

Where does this weather data come from?

All climate data is sourced from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite and model data. It provides monthly averages for 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
  • Years: 45