AI-generatedMariposa (Yosemite) at a glance
- Best time
- Apr – May, Oct
- Warmest month
- Jul · 34°
- Sunshine a year
- 3,160 h
- Rain a year
- 782 mm
- Climate
- Mediterranean
- Time zone
- UTC−8 / UTC−7
- Elevation
- 594 m
Climate in Mariposa (Yosemite)
Mariposa (Yosemite) has a Mediterranean climate with warm to hot, dry summers and mild, wetter winters. July is the warmest month with average highs of 34 °C, while December is the coolest at 12 °C. With around 3,160 hours of sunshine a year, Mariposa (Yosemite) is very sunny; July is the sunniest month with 12.3 hours a day.
Holiday weather through the year
Weather in October
Holiday weather in October
Excellent
Best time to visit: April – May, October
Good forSightseeing & walks
A typical day in October
- Morning, 08:00: about 13°
- Midday, 13:00: about 22°
- Afternoon, 16:00: about 22°
- Evening, 20:00: about 17°
- Night, 23:00: about 14°
07:0718:24
Cool evenings: pack a jumper or a jacket.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 06:50–07:42 · evening 17:49–18:40
- Blue hour
- Morning 06:40–06:50 · evening 18:40–18:51
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
What is the weather like in Mariposa (Yosemite) in October?
In October, Mariposa (Yosemite) is warm: daytime highs average 23 °C, and nights cool down to about 10 °C. The sun shines for around 8 hours a day. Rain is rare: about 3 days bring 39 mm in total. All in all, October is an excellent month for a holiday in Mariposa (Yosemite).
More details for October
- Daylight
- 11 h 18 min07:07 – 18:24
- UV index
- 5 · moderateclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 11 km/haverage daily peakAll months
- Cloud cover
- 23 %on averageAll months
- Hot days
- 2 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snow
- Time zone
- UTC−7America/Los_Angeles
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %88 %
- Few rainy daysweight 30 %100 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Nature escape”.
What to pack in October
- Sunscreen
- Sunglasses & sun hat
- A jumper for the evenings
Sunshine hours in Mariposa (Yosemite)
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 8.3 of 11.3 hours of daylight in Mariposa (Yosemite), 73 % of the day.
Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.
UV index in Mariposa (Yosemite)
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 5 · moderateAround midday seek shade; use sunscreen, a hat and sunglasses.
The sun is strongest in June (UV 11).
Minutes until sunburn in October
- Very fair skin
- about 30 min
- Fair skin
- about 35 min
- Light brown skin
- about 50 min
- Olive skin
- about 60 min
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen it, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Rain in Mariposa (Yosemite): rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Mariposa (Yosemite) has about 3 rainy days with 39 mm of rain in total.
Wind and clouds in Mariposa (Yosemite)
How breezy and how cloudy Mariposa (Yosemite) is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in Mariposa (Yosemite) typically peaks at 11 km/h during the day: Beaufort 2, light air.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 23 % of the sky over Mariposa (Yosemite): mostly sunny, with about 8.3 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Heat and humidity in Mariposa (Yosemite)
How often the day gets hot in Mariposa (Yosemite) (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.
Heat calendar
- pleasant
- some hot or muggy days
- often muggy
- often hot
- hot and muggy
In October, Mariposa (Yosemite) has about 2 hot days, with an average daytime high of 23 °C: pleasant. Heat plays no part this month.
Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Mariposa (Yosemite)
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Cold 0–8°
- Cool 8–15°
- Pleasant 15–20°
CoolOctober: nights around 10°. A duvet at night and a jumper for the evening.
The coolest nights are in January (2°), the warmest in July (19°). Nights are pleasant for sleeping (15 to 20 °C) from June to September. Nights fall below 8 °C on average from November to April, so the room should be heated.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|
| JanuaryJan | 52 | 12° | 2° | 5.4 h | 9 | 148 |
| FebruaryFeb | 55 | 13° | 3° | 6.0 h | 10 | 138 |
| MarchMar | 74 | 15° | 4° | 7.1 h | 9 | 124 |
| AprilApr | 95 | 19° | 6° | 8.9 h | 6 | 64 |
| MayMay | 100 | 24° | 10° | 10.6 h | 4 | 31 |
| JuneJun | 84 | 29° | 15° | 11.9 h | 1 | 9 |
| JulyJul | 54 | 34° | 19° | 12.3 h | 0 | 1 |
| AugustAug | 59 | 33° | 18° | 11.7 h | 0 | 2 |
| SeptemberSep | 83 | 29° | 15° | 10.0 h | 1 | 7 |
| OctoberOct | 98 | 23° | 10° | 8.3 h | 3 | 39 |
| NovemberNov | 83 | 16° | 5° | 6.3 h | 6 | 73 |
| DecemberDec | 49 | 12° | 2° | 5.2 h | 9 | 146 |
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences
37.48° N, 119.97° W · 594 m · America/Los_Angeles
Best time to visit Mariposa (Yosemite)
The best time to visit Mariposa (Yosemite) is from April to May and in October. For sightseeing, day trips and hiking, conditions are most comfortable from March to May and from October to November. In July it can get very hot, with highs of up to 34 °C. The wettest month is January with 148 mm of precipitation.
Mariposa (Yosemite) through the seasons
How the weather changes over the seasons, with averages for each.
Mariposa (Yosemite) in spring
Mar – May
Excellent
- 15–24 °C by day
- 9 h of sun a day
- 19 rainy days in all
Mariposa (Yosemite) in summer
Jun – Aug
Good
- 29–34 °C by day
- 12 h of sun a day
- 2 rainy days in all
Mariposa (Yosemite) in autumn
Sep – Nov
Excellent
- 16–29 °C by day
- 8 h of sun a day
- 10 rainy days in all
Mariposa (Yosemite) in winter
Dec – Feb
Fair
- 12–13 °C by day
- 6 h of sun a day
- 28 rainy days in all
Find your perfect month
Tell us what you like and we rate every month in Mariposa (Yosemite) for you.
Your best months: May, October
Based on the climate averages; tap a month to see its details.
Compare two months in Mariposa (Yosemite)
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
October and May bring similar holiday weather to Mariposa (Yosemite) (score 98 and 100). In May, days are 1 °C warmer than in October. May has one more rainy day. The sun shines 2 hours longer a day in May.
| Month | October | May |
|---|---|---|
| Weather score | 98 | 100 |
| Day high | 23° | 24° |
| Night low | 10° | 10° |
| Sunshine | 8.3 h | 10.6 hbetter |
| Rainy days | 3better | 4 |
| Rainfall | 39 mm | 31 mm |
Based on the climate averages 1996–2025.
Which month for what?
Beach & swimming
No sea nearby
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Mar – May, Oct – Nov
15–28 °C and not too much rain
Peak heat
Jul
Highs of 33 °C or more
Mariposa (Yosemite) month by month
The typical weather for every month at a glance.
52January12° · 5 h
In January, Mariposa (Yosemite) is cool: daytime highs average 12 °C, and nights cool down to about 2 °C. Expect around 5 hours of sunshine a day. Rain falls on about 9 days, adding up to 148 mm. All in all, January is a so-so month for a holiday in Mariposa (Yosemite).
Mariposa (Yosemite) in January55February13° · 6 h
In February, Mariposa (Yosemite) is cool: daytime highs average 13 °C, and nights cool down to about 3 °C. Expect around 6 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 138 mm in total. All in all, February is a so-so month for a holiday in Mariposa (Yosemite).
Mariposa (Yosemite) in February74March15° · 7 h
In March, Mariposa (Yosemite) is cool: daytime highs average 15 °C, and nights cool down to about 4 °C. The sun shines for around 7 hours a day. Rain is frequent, with about 9 rainy days and 124 mm in total. All in all, March is a good month for a holiday in Mariposa (Yosemite).
Mariposa (Yosemite) in March95April19° · 9 h
In April, Mariposa (Yosemite) is mild: daytime highs average 19 °C, and nights cool down to about 6 °C. The sun shines for around 9 hours a day. Rain falls on about 6 days, adding up to 64 mm. All in all, April is an excellent month for a holiday in Mariposa (Yosemite).
Mariposa (Yosemite) in April100May24° · 11 h
In May, Mariposa (Yosemite) is warm: daytime highs average 24 °C, and nights cool down to about 10 °C. With around 11 hours of sunshine a day, there is plenty of sun. Rain is rare: about 4 days bring 31 mm in total. All in all, May is an excellent month for a holiday in Mariposa (Yosemite).
Mariposa (Yosemite) in May84June29° · 12 h
In June, Mariposa (Yosemite) is hot: daytime highs average 29 °C, and nights cool down to about 15 °C. With around 12 hours of sunshine a day, there is plenty of sun. It hardly ever rains. On about 15 days the thermometer climbs to 30 °C or more. All in all, June is an excellent month for a holiday in Mariposa (Yosemite).
Mariposa (Yosemite) in June54July34° · 12 h
In July, Mariposa (Yosemite) is very hot: daytime highs average 34 °C, and nights cool down to about 19 °C. With around 12 hours of sunshine a day, there is plenty of sun. It hardly ever rains. On about 27 days the thermometer climbs to 30 °C or more. All in all, July is a so-so month for a holiday in Mariposa (Yosemite).
Mariposa (Yosemite) in July59August33° · 12 h
In August, Mariposa (Yosemite) is hot: daytime highs average 33 °C, and nights cool down to about 18 °C. With around 12 hours of sunshine a day, there is plenty of sun. It hardly ever rains. On about 26 days the thermometer climbs to 30 °C or more. All in all, August is a so-so month for a holiday in Mariposa (Yosemite).
Mariposa (Yosemite) in August83September29° · 10 h
In September, Mariposa (Yosemite) is hot: daytime highs average 29 °C, and nights cool down to about 15 °C. With around 10 hours of sunshine a day, there is plenty of sun. It hardly ever rains. On about 15 days the thermometer climbs to 30 °C or more. All in all, September is an excellent month for a holiday in Mariposa (Yosemite).
Mariposa (Yosemite) in September98October23° · 8 h
In October, Mariposa (Yosemite) is warm: daytime highs average 23 °C, and nights cool down to about 10 °C. The sun shines for around 8 hours a day. Rain is rare: about 3 days bring 39 mm in total. All in all, October is an excellent month for a holiday in Mariposa (Yosemite).
Mariposa (Yosemite) in October83November16° · 6 h
In November, Mariposa (Yosemite) is mild: daytime highs average 16 °C, and nights cool down to about 5 °C. Expect around 6 hours of sunshine a day. Rain falls on about 6 days, adding up to 73 mm. All in all, November is an excellent month for a holiday in Mariposa (Yosemite).
Mariposa (Yosemite) in November49December12° · 5 h
In December, Mariposa (Yosemite) is cool: daytime highs average 12 °C, and nights cool down to about 2 °C. Expect around 5 hours of sunshine a day. Rain is frequent, with about 9 rainy days and 146 mm in total. All in all, December is a so-so month for a holiday in Mariposa (Yosemite).
Mariposa (Yosemite) in DecemberMariposa (Yosemite) compared
Put Mariposa (Yosemite) side by side with another destination.
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Mariposa (Yosemite) vs. Mammoth Lakes
In October Mariposa (Yosemite) has the better holiday weather (score 98 vs. 80). During the day Mammoth Lakes is 9 °C cooler than Mariposa (Yosemite).
| in October | Mariposa (Yosemite) | Mammoth Lakes |
|---|---|---|
| Holiday score | 98 | 80 |
| Daytime high | 23° | 14° |
| Sunshine | 8 h | 8 h |
| Rainy days | 3 | 3 |
| Best time | Apr – May, Oct | Jun – Oct |
Through the year
USA in October: the best places
In October, Mariposa (Yosemite) ranks 2 among the 31 nearest destinations in this country.
- Las Vegas26°99
- 2Mariposa (Yosemite)This page23°98
- 3Los Angeles26°19°98
- 4Long Beach25°19°98
- 5Sedona23°97
- 6San Jose23°96
- 7Sacramento25°96
- 8Page (Lake Powell)21°96
Planning a trip to Mariposa (Yosemite)
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Mariposa (Yosemite) in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
Mariposa (Yosemite) has its best school-holiday weather during October half-term (score 98) and its weakest during the Christmas holidays (score 51).
- 89
Easter holidays
Mar – Apr
Excellent
- 18 °C by day
- 8.4 h of sun a day
- 7 rainy days a month
Good for: Sightseeing & walks
- 97
May half-term
May – Jun
Excellent
- 25 °C by day
- 10.9 h of sun a day
- 3 rainy days a month
Good for: Sightseeing & walks
- 57
Summer holidays
Jul – Aug
Fair
- 33 °C by day
- 11.9 h of sun a day
- 0 rainy days a month
Keep in mind: Peak heat
- 98
October half-term
Oct
ExcellentBest holidays
- 23 °C by day
- 8.3 h of sun a day
- 3 rainy days a month
Good for: Sightseeing & walks
- 51
Christmas holidays
Dec – Jan
Fair
- 12 °C by day
- 5.3 h of sun a day
- 9 rainy days a month
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 10 h 45 min
- Distance
- 8,510 km
- Time zone
- UTC−7
- Jet lag
- About 5 days (8 h west)
Rule of thumb for flying west: for a few days before, stay up a little later, and get afternoon and evening light at your destination.
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Frequently asked questions about Mariposa (Yosemite)
When is the best time to visit Mariposa (Yosemite)?
The best time to visit Mariposa (Yosemite) is from April to May and in October. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
What is the warmest month in Mariposa (Yosemite)?
July is the warmest month, with average highs of 34 °C and nights around 19 °C. December is the coolest month at 12 °C.
When does it rain most in Mariposa (Yosemite)?
The wettest month is January with 148 mm of precipitation. The driest month is July with 1 mm.
How many hours of sunshine does Mariposa (Yosemite) get?
Mariposa (Yosemite) gets around 3,160 hours of sunshine a year. The sunniest month is July with 12.3 hours a day; in December there are 5.2 hours a day.
What time zone is Mariposa (Yosemite) in?
Mariposa (Yosemite) uses the time zone America/Los_Angeles: UTC−8 in January and UTC−7 in July.
How long is the flight from London to Mariposa (Yosemite)?
A nonstop flight from London to Mariposa (Yosemite) takes about 10 h 45 min, for a straight-line distance of about 8,510 km.
Which school holidays are best for Mariposa (Yosemite)?
Mariposa (Yosemite) has its best school-holiday weather during October half-term (score 98) and its weakest during the Christmas holidays (score 51). Holiday ratings (0–100): Easter holidays 89, May half-term 97, Summer holidays 57, October half-term 98, Christmas holidays 51.
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