Santiago
May
Weather in Santiago for May 2026
Your guide to Santiago weather in May - trends and predictions
The forecast for the upcoming days in Santiago predicts a temperature of 20.3 °C, which is slightly above the historical average.
In general, the average temperature in Santiago at the beginning of May is 18.9 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 16.9 °C by the end of May.
Santiago experiences moderate rainfall in May, with an average of 10 rainy days and a total precipitation of 76 mm.
Temperatures
Rain 🌧️
21
Dry days
10
Rainy days
0
Snow days
16°/7°
Temperatures
10 km/h
Avg max wind
42 %
Avg humidity
Santiago Weather May
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Temperatures trend during May in Santiago
See the weather trend as well as the moving average line
May weather in Santiago day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May |  Sunny | 16° /6° | 1.8 mm | 5 | |
| 2 May | Sunny | 18° /8° | 0 mm | 5 | |
| 3 May | Sunny | 19° /9° | 0 mm | 5 | |
| 4 May | Sunny | 19° /10° | 0 mm | 5 | |
| 5 May |  Partly cloudy | 22° /15° | 0 mm | 3.1 | |
| 6 May |  Moderate rain | 19° /13° | 9.7 mm | 3.8 | |
| 7 May |  Patchy rain possible | 19° /12° | 2.1 mm | 4.1 | |
| 8 May | Sunny | 21° /9° | 0 mm | 0.1 | |
| 9 May | Sunny | 25° /10° | 0 mm | 6 | |
| 10 May | Sunny | 24° /13° | 0 mm | 6 | |
| 11 May | Sunny | 24° /14° | 0 mm | 6 | |
| 12 May | Partly cloudy | 25° /14° | 0 mm | 6 | |
| 13 May | Partly cloudy | 22° /14° | 0 mm | 6 | |
| 14 May | Patchy rain possible | 16° /12° | 2.8 mm | 4 | |
| 15 May | Patchy rain possible | 17° /11° | 0.6 mm | 4 | |
| 16 May | Patchy rain possible | 13° /10° | 0.5 mm | 4 | |
| 17 May | Sunny | 18° /7° | 0 mm | 5 | |
| 18 May | Sunny | 19° /8° | 0 mm | 5 | |
| 19 May |  Overcast | 16° /7° | 8.2 mm | 4 | |
| 20 May | Overcast | 17° /6° | 12.6 mm | 4 | |
| 21 May |  Moderate rain at times | 14° /7° | 11.5 mm | 5 | |
| 22 May | Moderate or heavy rain shower | 16° /5° | 14 mm | 4 | |
| 23 May | Patchy rain possible | 13° /5° | 6.6 mm | 4 | |
| 24 May | Partly cloudy | 15° /7° | 0.1 mm | 5 | |
| 25 May | Patchy rain possible | 13° /5° | 0.3 mm | 4 | |
| 26 May |  Cloudy | 13° /4° | 1.6 mm | 4 | |
| 27 May | Partly cloudy | 15° /5° | 3.5 mm | 5 | |
| 28 May | Overcast | 19° /8° | 0 mm | 5 | |
| 29 May | Partly cloudy | 20° /8° | 0 mm | 6 | |
| 30 May | Overcast | 19° /9° | 0 mm | 5 | |
| 31 May | Overcast | 19° /8° | 0 mm | 5 | |
| Next | |||||
Important Notice
Our weather forecast for Santiago in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Santiago forecast closer to your planned date for the most up-to-date weather information.
Change Month
Santiago in May - FAQ
What are the expected maximum and minimum temperatures in Santiago during May?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 7°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Santiago during May?
Moderate rainfall is anticipated in Santiago during May, with a total of 76 mm spread over approximately 10 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Santiago during May?
The average wind speed in Santiago during May is 10 km/h, suggesting breezy to windy conditions, depending on your activities.
Santiago water temperatures in May
The average water temperature of the Pacific Ocean near Santiago in May is 12.6 °C. Temperatures remain fairly consistent throughout the month.
- What is the water temperature in Santiago in May?
- The average water temperature in Santiago in May is 12.6 °C.
- Can you swim in Santiago in May?
- Cold enough that you lose heat fast. A full 4–5 mm wetsuit (plus hood/gloves for comfort) is advisable for anything beyond a brief plunge.
May rainfall patterns in Santiago
Explore the daily rainfall trends and prepare for Santiagos May weather 💧
Typically, Santiago has 10 rainy days in May with a total of 76 mm of rainfall.
UV exposure in Santiago during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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