Broken Arrow, Oklahoma Weather History

Oklahoma, United States  •  45 yrs data 📍 36.0302°N, 95.7611°W
°F / °C
☀️

Quick Climate Facts

(1981 – 2025)
Hottest Month
🔥
Aug
Avg 82.3°F
Min 61.1°F
Max 103.4°F
Coldest Month
❄️
Jan
Avg 38.1°F
Min 11.4°F
Max 64.8°F
Wettest Month
🌧️
May
155 mm
Driest Month
🏜️
Jan
55 mm
Most Humid
💧
Dec
80%
Least Humid
🌬️
Aug
63%
Highest Ever
🌡️
116.9°F
Aug 2011
Lowest Ever
🧊
-8.8°F
Dec 1989
Monthly Climate Data
Month 🌤️ High Low Avg Humid % Rain (mm) Wind (m/s) Solar (kWh/m²)

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

🌍 Weather in Broken Arrow Across Seasons

❄️ Winter in Broken Arrow

January is Broken Arrow's coldest month, with average lows reaching 11.5°F.
🌡️ December to February (avg)  ·  13.8°F67.3°F

🧥 Pack heavy layers and prepare for snow — this is a Severe Winter destination.

☀️ Summer in Broken Arrow

Summer temperatures in Broken Arrow peak in August, climbing to 103.5°F.
🌡️ June to August (avg)  ·  60.3°F99.9°F

🌤️ Limit midday outdoor exposure and stay hydrated — this is an intense Hot Summer.

🌧️ Rainy Season in Broken Arrow

Broken Arrow sees its highest rainfall in May, receiving approximately 155 mm of precipitation.
🌧️ April to June (avg)  ·  up to 155 mm

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

📅 Monthly Averages

🌡️ Temperature Patterns

Monthly averages · 1981–2025 climate normals · °F

🌡️ Broken Arrow Monthly Temperature Guide

Aug is the hottest month in Broken Arrow, with average highs reaching 103.4°F, while Jan is the coldest with lows dropping to 11.4°F.

Temperatures rise steadily from spring, peak in Aug, and gradually decline through fall into winter.

These seasonal patterns make summer ideal for outdoor activities, while winters bring freezing conditions and heavy snowfall.

🌧️ Rainfall Distribution

Monthly rainfall · 1981–2025 seasonal trends · mm/month

💨 Humidity & Wind Speed

Monthly averages · 1981–2025

💧 Rainfall & Humidity in Broken Arrow

Broken Arrow receives its highest rainfall in May, while humidity peaks during winter months.
🌧️ Wettest: May — 155 mm ☀️ Driest: Jan — 55 mm

💧 Humidity peaks at 80% in Dec · annual avg 74%

🌍 Climate Summary

Avg Annual Temp:59.7°F
Avg Annual Rainfall:1140 mm
Avg Humidity:74%
Data Period:1981 – 2025

Broken Arrow Climate Overview

Broken Arrow has a warm temperate climate with warm summers and freezing winters.

Temperatures peak in Aug and drop to their lowest in Jan, while rainfall is highest during spring and early summer months.

Humidity remains moderate throughout the year, especially during winter months, creating cold and damp conditions.

📈 Yearly Trends

The warmest year in Broken Arrow's recorded history was 2012 (avg: 64.6°F), while the coldest year was 1989 (avg: 55°F), based on annual average temperatures.

📊 Key Climate Trends

🌡️ Annual Temperature Trend

View Range:

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

Broken Arrow's temperatures has remained relatively stable over the past decade. The highest recorded temperature reached 116.9°F in Aug 2011, while the lowest dropped to -8.8°F in Dec 1989.

🌧️ Annual Precipitation

View Range:

Total annual precipitation · Last 10 years · mm/year

Annual rainfall in Broken Arrow shows noticeable variation. Rainfall has decreased in recent years compared to earlier periods.
📋 Yearly Climate Data Overview

🔥 hottest  ·  ❄️ coldest  ·  🌧️ wettest

Year Min Temp Avg Temp Max Temp Rainfall (mm) Avg Humidity Avg Wind

🏙️ Other Cities in Oklahoma

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❓ Frequently Asked Questions

What is the hottest month in Broken Arrow?
Based on 45 years of data (1981–2025), Aug is typically the hottest month in Broken Arrow, Oklahoma, with average high temperatures around 103.4°F.
What is the coldest month in Broken Arrow?
Jan is the coldest month in Broken Arrow, with average low temperatures around 11.4°F.
What is the rainiest month in Broken Arrow?
May receives the most rainfall with approximately 155 mm, while Jan is the driest with 55 mm.
What was the highest temperature ever recorded in Broken Arrow?
The highest recorded temperature was 116.9°F in Aug 2011. This is part of the historical record spanning 1981–2025.
What was the lowest temperature ever recorded in Broken Arrow?
The lowest recorded temperature was -8.8°F in Dec 1989.
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 Broken Arrow get?
Broken Arrow receives the most sunlight in Jul with an average solar radiation of 6.64 kWh/m²/day. This solar radiation data, sourced from NASA POWER, is useful for solar energy planning, agriculture, and understanding seasonal sunshine availability in Oklahoma.
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: 1981–2025
  • Years: 45