Signal Hill Climate Data
From 1951 to the present, average temperatures in Signal Hill have increased by about 0.0°C, especially during all seasons. Since 1980, the warming rate has hovered near 0.0°C per decade.
Temperature Change
0.0°C
Since 1951
Precipitation Change
0.0mm
(0.0%)
Since 1951
Climate Stripes for Signal Hill
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.
⬇️ DownloadSignal Hill Annual Mean Temperature Trends
Temperature data shows warming trends for Signal Hill based on NOAA NClimGrid climate data.
⬇️ DownloadSignal Hill Precipitation Trends
This chart shows seasonal precipitation trends for Signal Hill area, displaying how rainfall patterns have changed over time across different seasons.
⬇️ DownloadSignal Hill Hot and Cold Days
Few days below 32°F
Signal Hill Seasonal Temperature Trends
Winter
Spring
Summer
Fall
Frequently Asked Questions About Signal Hill's Climate
How much has Signal Hill warmed since 1951?
Signal Hill 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 Signal Hill?
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 Signal Hill?
Precipitation patterns in Signal Hill have remained relatively stable since 1951, though year-to-year variability continues to be significant.
Is the warming in Signal Hill part of a larger trend?
Yes, the warming observed in Signal Hill 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 Signal Hill?
The climate data for Signal Hill comes from NOAA's NClimGrid dataset, which provides gridded climate information based on weather station observations. The data represents the 4.34km grid cell nearest to Signal Hill, located at coordinates 33.77°N, 118.19°W.
How reliable are the climate projections for Signal Hill?
The historical climate trends shown for Signal Hill 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: Signal Hill, CA
- Grid Coordinates: 33.77°N, 118.19°W
- Distance to grid center: 4.3 km
- Data source: NOAA NClimGrid climate data