Climate averages 1991–2020
Stanley weather
in May.
A cold, moderately wet month: the 8th warmest and the 5th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a cold month in Stanley: daytime highs average 6.9°C and nights cool to about 3.6°C. By daytime temperature it is the 8th warmest of the 12 months.
Expect about 48 mm of rain on roughly 12 days, which makes May a moderately wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 8 h 49 min on an average May day.
The nearest other city in this atlas is Río Gallegos (785 km away). In May its highs average 7.9°C, 1.0°C warmer than Stanley, with 26 mm of rain.
From May to June, average highs fall by 1.9°C to 5.0°C, and monthly rainfall falls from 48 mm to 47 mm.
The annual picture
May in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Stanley climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 13.4°C7.9°C | 7.9°C | 62 | 13.1 | 16.116 h |
| February | 13.0°C7.8°C | 7.8°C | 53 | 12.0 | 14.514 h |
| March | 11.8°C7.0°C | 7.0°C | 55 | 12.1 | 12.513 h |
| April | 9.3°C5.3°C | 5.3°C | 51 | 12.5 | 10.511 h |
| May, selected | 6.9°C3.6°C | 3.6°C | 48 | 12.0 | 8.89 h |
| June | 5.0°C1.9°C | 1.9°C | 47 | 12.3 | 7.98 h |
| July | 4.5°C1.3°C | 1.3°C | 49 | 12.3 | 8.38 h |
| August | 5.4°C1.8°C | 1.8°C | 39 | 10.3 | 9.810 h |
| September | 6.5°C2.3°C | 2.3°C | 37 | 9.9 | 11.712 h |
| October | 8.6°C3.7°C | 3.7°C | 41 | 10.1 | 13.714 h |
| November | 10.6°C5.3°C | 5.3°C | 50 | 11.5 | 15.516 h |
| December | 12.0°C6.7°C | 6.7°C | 66 | 14.2 | 16.617 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
May in nearby cities
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Stanley) is explained once on the Stanley year overview and on the Sources, method and limits page.