Bethlehem Climate Data
Climate data from 1951 onward show Bethlehem warming by 0.0°C overall. Post‑1980, the city has added roughly 0.0°C each decade.
Temperature Change
0.0°C
Since 1951
Precipitation Change
0.0mm
(0.0%)
Since 1951
Climate Stripes for Bethlehem
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.
⬇️ DownloadBethlehem Annual Mean Temperature Trends
Temperature data shows warming trends for Bethlehem based on NOAA NClimGrid climate data.
⬇️ DownloadBethlehem Precipitation Trends
This chart shows seasonal precipitation trends for Bethlehem area, displaying how rainfall patterns have changed over time across different seasons.
⬇️ DownloadBethlehem Hot and Cold Days
Bethlehem Seasonal Temperature Trends
Winter
Spring
Summer
Fall
Frequently Asked Questions About Bethlehem's Climate
How much has Bethlehem warmed since 1951?
Bethlehem 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 Bethlehem?
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 Bethlehem?
Precipitation patterns in Bethlehem have remained relatively stable since 1951, though year-to-year variability continues to be significant.
Is the warming in Bethlehem part of a larger trend?
Yes, the warming observed in Bethlehem is consistent with regional and global climate change trends. The temperature increases align with patterns seen across PA and the broader United States, reflecting the impacts of human-caused climate change.
What climate data sources are used for Bethlehem?
The climate data for Bethlehem comes from NOAA's NClimGrid dataset, which provides gridded climate information based on weather station observations. The data represents the 0.45km grid cell nearest to Bethlehem, located at coordinates 40.63°N, 75.37°W.
How reliable are the climate projections for Bethlehem?
The historical climate trends shown for Bethlehem 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: Bethlehem, PA
- Grid Coordinates: 40.63°N, 75.37°W
- Distance to grid center: 0.5 km
- Data source: NOAA NClimGrid climate data