San Bernardino Climate Reality: Hot summers and mild inland winters
Is it going to scorch, smog, or maybe something worse? The summers are like sitting inside a Prius and the winters are actually kind of pleasant. Here's what else is going on around San Bernardino that will impact the time you spend outside.
Jessica, Our Local Expert Guiding Your Move
Jessica is a born and raised Angeleno who has spent 30 years bouncing between East LA, the Westside, and the Valley, usually with a trunk full of boxes and a strong opinion about neighborhoods. She moved eight times between 2013 and 2023 and genuinely loves it, especially the decluttering part and the chance to reinvent herself with each new move. A former teacher of eight years, she has taught everyone from pre K kids learning their ABCs to high schoolers stressing over college essays. She loves California for the beaches, sunshine, hidden lakes, and hikes that feel like they belong in another state entirely. Her guilty pleasure is the Custard Front Drive donut from Donut Friend, she road trips whenever possible, and she is slowly working through a bucket list of every national park. She lives with two bonded cats, Marty the black cat and Jelly the tabby. At Snappy Scout, Jessica edits California guides with deep local instincts built over decades of real CA living.
Read moreWritten with local insight from Snappy Scout relocation experts
What's the Weather Really Like in San Bernardino?
The forecast, the fashion, and the fine print locals wish someone had told them sooner.
Summer temps be like
Surface of the sun (high 90s to 110s)
Winter lows are
Hoodie weather at best (mid 30s to 40s)
The humidity makes me
Feel like a perfectly preserved mummy, minus the museum lighting
Unique weather patterns
Santa Ana winds turn the whole valley into a hair dryer set on high, wildfire smoke becomes an unexpected fifth season, and that marine layer from LA barely makes it over the mountains to say hello
Local weather fashion tip
Sunglasses aren't an accessory, they're survival gear. Keep a pair in every car, bag, and room
You know it's time to get out of town when
It hits 108 three days in a row and even your AC and fans start complaining
Bugs be like
The occasional fly convention in summer, but thankfully too hot and dry for mosquitos to throw a proper party
You're stuck indoors again today because
The air quality index just declared Code Purple and stepping outside feels like inhaling a campfire
Green thumb enthusiasts love
That you can grow citrus trees like it's your job, succulents thrive on pure neglect, and tomatoes absolutely dominate if you water them twice a day through the scorching summers
My Favorite Season in San Bernardino
The temperature during Spring is still tolerable and the mountains are still green! You can pack in tons of hiking, bike rides, and outdoor activities without the fear of melting. You’re willing to say “yes!” to more invites when you don’t have to survive the walk from your front door to the car.
— Jessica Montes
California Local Expert
Ready to See If San Bernardino Fits You?
Compare cities, check the routes, or head back to the full San Bernardino guide for the bigger picture.