Monthly climate guide
Sacramento weather in May
May in Sacramento is typically warm, with average daytime highs around 26°C (78°F) and night-time lows near 11°C (51°F). The month usually brings about 23 mm of rain (fairly dry) and is mostly sunny. Daytime highs are 4°C warmer than April and 7°C cooler than June.
What stands out in May
- In Sacramento, May is late spring.
- It warms up quickly from here: by June highs are about 7°C higher.
- Evenings cool off sharply: the daily range is around 15°C, so pack a layer.
- Just 80 km apart, but Sacramento runs about 3°C warmer than Napa this month.
Avg high
26°C
78°F
Avg low
11°C
51°F
Rainfall
23 mm
fairly dry
Humidity
62%
relative
Sky
32%
cloud · mostly sunny
Sacramento weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 15°C / 58°F | 6°C / 42°F | 99 mm | 74% | 58% |
| February | 16°C / 61°F | 5°C / 42°F | 98 mm | 73% | 47% |
| March | 18°C / 64°F | 7°C / 44°F | 114 mm | 76% | 53% |
| April | 22°C / 71°F | 8°C / 47°F | 51 mm | 71% | 41% |
| May | 26°C / 78°F | 11°C / 51°F | 23 mm | 62% | 32% |
| June | 33°C / 91°F | 14°C / 57°F | 7 mm | 49% | 18% |
| July | 37°C / 98°F | 16°C / 61°F | 0 mm | 40% | 12% |
| August | 36°C / 97°F | 16°C / 61°F | 0 mm | 42% | 15% |
| September | 33°C / 92°F | 15°C / 60°F | 5 mm | 43% | 19% |
| October | 27°C / 81°F | 13°C / 55°F | 29 mm | 45% | 29% |
| November | 19°C / 67°F | 8°C / 47°F | 65 mm | 58% | 46% |
| December | 15°C / 58°F | 5°C / 41°F | 92 mm | 69% | 53% |
What to pack for May
- T-shirts plus a light layer for the evening
- Comfortable trainers or sandals for long walks
- An extra layer — evenings are noticeably cooler than afternoons
- Sunglasses
Is May a good time to visit Sacramento?
Compare the months in the chart above to find your ideal window.
Best time to visit Sacramento →Other United States cities in May
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Sacramento weather in May. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/usa/sacramento/may
<a href="https://weathercompare.eu/weather/usa/sacramento/may">Sacramento weather in May</a> (WeatherCompare)
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Sacramento in May: quick answers
Is May a good time to visit Sacramento?
Yes. May is one of the best months for Sacramento, with highs around 26°C and about 23 mm of rain.
How warm is Sacramento in May?
Average highs are about 26°C (78°F) and average lows about 11°C (51°F), based on 10 years of daily data.
Does it rain a lot in Sacramento in May?
Sacramento typically gets around 23 mm of rain in May — fairly dry.
Figures are long-term averages for the area around Sacramento (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.