Cali is rarely comfortable to be outside at midday. It comes closest in early January, and even then it is too hot. For sun, any time of year works.
When to go five ratings · thirty-six ten-day sections · click a cell to read it
There is no bad time here for sun: it rates Good or better in every part of the year. It is at its best in mid December, at 79. The clearest skies come in January, when the sky is typically 58% covered at midday (partly cloudy).
Being outside is not what Cali is for: the Easy outdoors rating tops out at 30, mostly because it is too hot.
Walking is not what Cali is for: the Active outdoors rating tops out at 8, mostly because it is too warm.
The year, measured
The average temperature in Cali over the whole year is 24°C. September is the hottest month, with highs of about 29°C; September is the coldest, with lows of about 19°C. Cali has no sharply defined rainy season: the chance of rain on a given day runs from 4% in August, the driest month, to 12% in May, the wettest. Winds in Cali are highest in September, averaging 2.5 m/s (9 km/h), and lightest in April, at 2.0 m/s (7 km/h). The prevailing wind is from the NE. The clearest skies in Cali come in August, when the sky is typically 65% covered; May is the cloudiest month, at 75%.
Month by month Cali climate by month: average temperatures year round · click a month to read it
| Month | High | Low | Feels like | Chance of rain | Cloud | Wind | Being outside | Sun | Walking |
|---|---|---|---|---|---|---|---|---|---|
| January | 28°C | 20°C | 30°C | 6% | 65% | 2.3 m/s | 23 | 76 | 6 |
| February | 28°C | 20°C | 30°C | 6% | 68% | 2.3 m/s | 19 | 73 | 5 |
| March | 27°C | 20°C | 30°C | 10% | 73% | 2.1 m/s | 23 | 68 | 7 |
| April | 27°C | 20°C | 30°C | 12% | 74% | 2.0 m/s | 21 | 69 | 6 |
| May | 27°C | 20°C | 30°C | 12% | 75% | 2.0 m/s | 20 | 68 | 4 |
| June | 27°C | 20°C | 30°C | 9% | 71% | 2.1 m/s | 22 | 72 | 5 |
| July | 28°C | 20°C | 30°C | 4% | 66% | 2.3 m/s | 19 | 75 | 5 |
| August | 28°C | 20°C | 30°C | 4% | 65% | 2.4 m/s | 21 | 74 | 5 |
| September | 29°C | 19°C | 30°C | 5% | 65% | 2.5 m/s | 19 | 74 | 4 |
| October | 27°C | 20°C | 29°C | 11% | 71% | 2.2 m/s | 26 | 73 | 5 |
| November | 27°C | 20°C | 29°C | 8% | 72% | 2.2 m/s | 24 | 75 | 6 |
| December | 28°C | 20°C | 30°C | 6% | 67% | 2.1 m/s | 19 | 77 | 4 |
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Cali weather by season
Year round, Cali has days of about 27°C at their warmest in June, its coolest month, and 29°C in September, its warmest; the coolest hours of the day run from 19°C to 20°C through the year, and the average temperature over the year is 24°C around the clock. Rain is most likely around May and least likely around August. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Cali weather in winterDecember to February
Winter in Cali has typical daily highs of about 28°C and lows of about 20°C, with a 6% chance of rain on a given day.
Cali weather in springMarch to May
Spring in Cali has typical daily highs of about 27°C and lows of about 20°C, with a 11% chance of rain on a given day.
Cali weather in summerJune to August
Summer in Cali has typical daily highs of about 28°C and lows of about 20°C, with a 6% chance of rain on a given day.
Cali weather in autumnSeptember to November
Autumn in Cali has typical daily highs of about 28°C and lows of about 20°C, with a 8% chance of rain on a given day.
When is the rainy season in Cali?
Cali has no sharply defined rainy season: the chance of rain on a given day runs from 4% in August, the driest month, to 12% in May, the wettest.
What time of year is Cali windiest?
Winds in Cali are highest in September, averaging 2.5 m/s (9 km/h), and lightest in April, at 2.0 m/s (7 km/h). The prevailing wind is from the NE.
What is the average temperature in Cali year round?
The average temperature in Cali over the whole year is 24°C. September is the hottest month, with highs of about 29°C; September is the coldest, with lows of about 19°C.
Where to go instead in late January, the weakest time here for being outside
How this is worked out
Every figure is a decade of weather-station observations blended into one typical year, in ten-day sections. The ratings, the chart and the feels-like column are read at midday local solar time. Being outside is the Easy outdoors rating, Sun is Sunbathing and Walking is Active outdoors, each out of 100: Good from 55, Ideal from 80. They describe what a time of year is usually like here, not a forecast. The dotted links open the map at that time of year; set its time of day to midday to see these numbers.