San Dimas Climate Data
Records dating back to 1951 reveal a 0.0°C rise in San Dimas's mean temperature, most evident in the all seasons seasons. The post‑1980 period alone has added 0.0°C of heat per decade.
Temperature Change
0.0°C
Since 1951
Precipitation Change
0.0mm
(0.0%)
Since 1951
Climate Stripes for San Dimas
This heatmap shows seasonal temperature anomalies relative to the 20th-century average for each year from 1950 to 2024. Each row represents a season (Winter, Spring, Summer, Fall), and each column a year. Red shades indicate warmer-than-average seasons, while blue shades represent cooler-than-average ones. The shift from predominantly blue to red over time highlights the long-term warming trend across all seasons.
⬇️ DownloadSan Dimas Annual Mean Temperature Trends
Temperature data shows warming trends for San Dimas based on NOAA NClimGrid climate data.
⬇️ DownloadSan Dimas Precipitation Trends
This chart shows seasonal precipitation trends for San Dimas area, displaying how rainfall patterns have changed over time across different seasons.
⬇️ DownloadSan Dimas Hot and Cold Days
Few days below 32°F
San Dimas Seasonal Temperature Trends
Winter
Spring
Summer
Fall
Frequently Asked Questions About San Dimas's Climate
How much has San Dimas warmed since 1951?
San Dimas has warmed by 0.0°C on average since 1951. This warming trend is consistent with broader climate change patterns observed across the region.
What season has warmed the most in San Dimas?
Winter has experienced the most warming with 0.0°C of temperature increase since 1951. This seasonal variation is typical of mid-latitude climate change patterns.
How have precipitation patterns changed in San Dimas?
Precipitation patterns in San Dimas have remained relatively stable since 1951, though year-to-year variability continues to be significant.
Is the warming in San Dimas part of a larger trend?
Yes, the warming observed in San Dimas is consistent with regional and global climate change trends. The temperature increases align with patterns seen across CA and the broader United States, reflecting the impacts of human-caused climate change.
What climate data sources are used for San Dimas?
The climate data for San Dimas comes from NOAA's NClimGrid dataset, which provides gridded climate information based on weather station observations. The data represents the 6.9km grid cell nearest to San Dimas, located at coordinates 34.14°N, 117.87°W.
How reliable are the climate projections for San Dimas?
The historical climate trends shown for San Dimas are based on observed data from 1951 to present and are highly reliable. These trends provide insight into how the local climate has already changed and can inform expectations for continued warming, though specific future projections would require additional climate modeling.
About This Data
- Location: San Dimas, CA
- Grid Coordinates: 34.14°N, 117.87°W
- Distance to grid center: 6.9 km
- Data source: NOAA NClimGrid climate data