Vista receives its highest rainfall in Feb, while humidity peaks in spring.
🌧️ Wettest:Feb — 71 mm☀️ Driest:Jun — 4 mm
💧 Humidity peaks at 77% in May · annual avg 73%
🌍 Climate Summary
Avg Annual Temp:66.4°F
Avg Annual Rainfall:333 mm
Avg Humidity:73%
Data Period:1981 – 2025
Vista Climate Overview
Vista has a warm subtropical climate with warm summers and mild winters.
Temperatures peak in Sep and drop to their lowest in Jan,
while rainfall is highest during winter months.
Humidity remains moderate throughout the year, especially in spring, creating warm and humid conditions.
📈 Yearly Trends
The warmest year in Vista's recorded history was 2015
(avg: 68.9°F),
while the coldest year was 2011
(avg: 64.8°F),
based on annual average temperatures.
📊 Key Climate Trends
🌡️ Vista's temperature has remained relatively stable over the past decade
📈 Minimum temperatures show a slight warming trend in recent years
🌧️ Rainfall has decreased in recent years compared to earlier periods
🌡️ Annual Temperature Trend
View Range:
Average annual high/low · Last 10 years · °F
Vista's temperatures has remained relatively stable over the past decade.
The highest recorded temperature reached
96.4°F in Sep 1988,
while the lowest dropped to
41.2°F in Dec 1990.
🌧️ Annual Precipitation
View Range:
Total annual precipitation · Last 10 years · mm/year
Annual rainfall in Vista shows noticeable variation. Rainfall has decreased in recent years compared to earlier periods.
Based on 45 years of data (1981–2025), Sep is typically the hottest month in Vista, California, with average high temperatures around 86.2°F.
What is the coldest month in Vista?▼
Jan is the coldest month in Vista, with average low temperatures around 48.8°F.
What is the rainiest month in Vista?▼
Feb receives the most rainfall with approximately 71 mm, while Jun is the driest with 4 mm.
What was the highest temperature ever recorded in Vista?▼
The highest recorded temperature was 96.4°F in Sep 1988. This is part of the historical record spanning 1981–2025.
What was the lowest temperature ever recorded in Vista?▼
The lowest recorded temperature was 41.2°F in Dec 1990.
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 Vista get?▼
Vista receives the most sunlight in Jul with an average solar radiation of 7.25 kWh/m²/day. This solar radiation data, sourced from NASA POWER, is useful for solar energy planning, agriculture, and understanding seasonal sunshine availability in California.
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.