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La Paz County Climate

JanFebMarAprMayJunJulAugSepOctNovDec72.4°AVG °F

Avg Annual Temp

72.4°F

Annual Precip

5.3"

Annual Snowfall

0.0"

Extreme Heat Days

178

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
0.8"
0.8"
0.6"
0.2"
0.1"
0.0"
0.4"
0.6"
0.6"
0.4"
0.3"
0.6"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

9a

Minimum winter temperature range for plant survival

Growing Degree Days

8,313

Excellent for heat-loving crops

Last spring frost (32°F): 01/28
First fall frost (32°F): 12/06

Seasonal Overview

Comfort ZoneSpring63°79°0.8"Summer88°94°1.1"Fall61°86°1.3"Winter51°57°2.2"20°40°60°80°100°

National Comparison

Warmer than 99% of US counties
Wetter than 0% of US counties
More seasonal variation than 40% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: La Paz County

Climate Verdict

La Paz County has a hot, with an average annual temperature of 72.4°F, arid conditions receiving just 5.3 inches of precipitation annually, extreme heat exposure with 177.95999999999998 days per year above 90°F, light snow averaging 0.0 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are mild, with January temperatures averaging 52.8°F. summers are scorching with July averaging 93.7°F. The 41°F seasonal variation provides noticeable but manageable change. December is typically the coldest month and July the warmest.

Outdoor & Gardening Guidance

Summer outdoor activities should be planned for early morning or evening to avoid extreme heat.

Regional Context

La Paz County is 8.9°F warmer than the Arizona statewide average of 63.5°F, it is also noticeably drier, receiving 7.0 inches less precipitation than the state average, the county experiences 64.54500840825838 more extreme heat days than the state average.

Climate Profile

About La Paz County Weather

Extreme Heat and Arid Plains

La Paz County is one of the warmest spots in the country, with a 72.4°F average that towers over the national median. It is exceptionally dry, receiving only 5.3 inches of rain.

One of Arizona's Hottest Counties

At 72.4°F, La Paz is nearly 9 degrees hotter than the Arizona state average. It ranks as one of the driest and hottest counties in the entire state.

Hotter Than Maricopa's Urban Core

It exceeds neighboring Maricopa's heat, recording 178 extreme heat days compared to Maricopa's 167. With only 5.3 inches of rain, it is much drier than any county to its east.

Six Months of Triple-Digit Heat

Summer is extreme, with 178 days over 90°F and a July average of 93.7°F. Winters are virtually non-existent by national standards, averaging 53.6°F with zero snowfall.

Heat Safety is the Priority

Focus almost entirely on heat mitigation and sun safety for the long summer. Ensure your cooling systems are top-tier to handle nearly six months of extreme temperatures.

Frequently Asked Questions

What is the average temperature in La Paz County?
The average annual temperature in La Paz County, AZ is 72.4°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does La Paz County get?
La Paz County receives an average of 5.3 inches of precipitation per year, including both rain and meltwater from snow. This is based on NOAA 30-year climate normals.
Does it snow in La Paz County?
Yes, La Paz County receives an average of 0.0 inches of snowfall per year according to NOAA climate normals.
How hot does La Paz County get in summer?
The average summer temperature (June-August) in La Paz County is 91.6°F. The county experiences an average of 178 days per year above 90°F.
How cold are winters in La Paz County?
The average winter temperature (December-February) in La Paz County is 53.6°F. January, typically the coldest month, averages 52.8°F.

Track your own weather in La Paz County

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Data sources: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020. Forecast and alert data from National Weather Service API. Air quality data from Open-Meteo.

Climate normals are 30-year averages of weather variables. Station data is aggregated to county level. Forecasts and alerts are fetched live and may change frequently. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.

By Evan Brooks, Data EditorUpdated Reviewed by Evan Brooks, Data Editor
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