Yosemite National Park experiences a wide range of temperatures throughout the year, with significant variations between day and night, particularly in the winter and summer seasons. The park’s climate varies mainly with altitude, with lower temperatures in higher elevation areas.
Yosemite Valley Average Temperatures
Here are the average temperatures for Yosemite Valley, located at an elevation of 4,000 feet (1,200 meters):
| Month | High °F | Low °F | High °C | Low °C |
|---|---|---|---|---|
| January | 49 | 26 | 9 | -3 |
| February | 55 | 28 | 13 | -2 |
| March | 59 | 31 | 15 | 0 |
| April | 65 | 35 | 18 | 2 |
| May | 73 | 42 | 23 | 5 |
| June | 82 | 48 | 28 | 9 |
| July | 90 | 54 | 32 | 12 |
| August | 90 | 53 | 32 | 11 |
| September | 87 | 47 | 30 | 8 |
| October | 74 | 39 | 23 | 4 |
| November | 58 | 31 | 14 | 0 |
| December | 48 | 26 | 9 | -3 |
In Yosemite Valley, summer temperatures can reach highs of 90°F (32°C) or more, with about half of the days in July and August reaching 90°F (32°C) or higher. Once a year, on average, a day in July or August will reach 100°F (38°C). Winter temperatures in Yosemite Valley can drop below freezing, with occasional snowfall.
Variations in Yosemite’s Temperatures
The temperature in Yosemite National Park can vary significantly depending on the elevation and time of year. Here are some key points about the park’s temperature variations:
- Elevation Differences: Temperatures in Yosemite can drop by about 3.5°F (2°C) for every 1,000 feet (300 meters) of elevation gained. This means that higher-elevation areas like Tuolumne Meadows (8,600 feet/2,600 meters) will be significantly cooler than Yosemite Valley.
- Seasonal Variations: Summers in Yosemite can be hot, with temperatures reaching the 90s°F (32-37°C) in the lower elevations. Winters, on the other hand, can be quite cold, with temperatures dropping below freezing, especially at night.
- Day-Night Differences: The park’s temperature can vary greatly between day and night, particularly in the summer and winter months. Daytime highs can be quite warm, while nighttime lows can be much cooler.
Preparing for Yosemite’s Weather
When planning a trip to Yosemite National Park, it’s important to be prepared for the park’s diverse weather conditions. Here are some tips:
- Check the Forecast: Before your visit, check the park’s official website or a reliable weather forecasting service for up-to-date information on the current weather conditions and temperature forecasts.
- Dress in Layers: Bring clothing that can be easily layered, as the temperature can change significantly throughout the day, especially in the higher elevations.
- Bring Sun Protection: Even on cooler days, the sun can be quite strong in Yosemite, so be sure to pack sunscreen, hats, and sunglasses.
- Be Prepared for Precipitation: Yosemite can experience rain, snow, and even thunderstorms, so be sure to pack appropriate rain gear and warm clothing.
By understanding the average temperatures and weather patterns in Yosemite National Park, you can better plan your visit and ensure a comfortable and enjoyable experience in this stunning natural wonder.
References:
– Current Results: Yosemite Temperatures by Month
– Yosemite Hikes: Yosemite Weather
– Climate & Travel: Yosemite National Park
– National Park Service: Yosemite Weather