Douglas is rarely comfortable to be outside at midday. It comes closest in mid July, and even then it is too cold. For walking, go from May to mid October. It is rarely warm enough for sunbathing.
When to go five ratings · thirty-six ten-day sections · click a cell to read it
Sun is not what Douglas is for: the Sunbathing rating tops out at 2, mostly because it is too cool. The clearest skies come in May, when the sky is typically 51% covered at midday (partly cloudy).
Douglas never quite rates Good for being outside. It comes closest in mid July, at 50, mostly because it is too cold. Avoid mid October to early May for this: it falls to 0, mostly because it is too cold.
The walking season here runs from May to mid October. It peaks in early July, at 81. The weakest stretch is from January to early March, when it drops to 7, mostly because it is too cold.
The year, measured
The average temperature in Douglas over the whole year is 11°C. July is the hottest month, with highs of about 17°C; March is the coldest, with lows of about 6°C. Douglas has no sharply defined rainy season: the chance of rain on a given day runs from 17% in May, the driest month, to 34% in December, the wettest. Winds in Douglas are highest in February, averaging 7.2 m/s (26 km/h), and lightest in July, at 4.5 m/s (16 km/h). The prevailing wind is from the SW. The clearest skies in Douglas come in May, when the sky is typically 54% covered; December is the cloudiest month, at 71%.
Month by month Douglas 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 | 7°C | 6°C | 1°C | 28% | 68% | 6.5 m/s | 0 | 0 | 8 |
| February | 8°C | 6°C | 1°C | 29% | 66% | 7.2 m/s | 0 | 0 | 9 |
| March | 9°C | 6°C | 3°C | 26% | 65% | 6.1 m/s | 0 | 0 | 18 |
| April | 11°C | 7°C | 5°C | 19% | 57% | 5.3 m/s | 1 | 0 | 36 |
| May | 14°C | 10°C | 9°C | 17% | 54% | 4.8 m/s | 11 | 0 | 68 |
| June | 16°C | 13°C | 12°C | 20% | 59% | 4.9 m/s | 30 | 1 | 78 |
| July | 17°C | 14°C | 14°C | 22% | 61% | 4.5 m/s | 44 | 1 | 80 |
| August | 17°C | 14°C | 14°C | 24% | 61% | 5.0 m/s | 41 | 0 | 80 |
| September | 16°C | 13°C | 12°C | 28% | 59% | 5.3 m/s | 25 | 1 | 74 |
| October | 13°C | 11°C | 8°C | 31% | 64% | 6.4 m/s | 3 | 0 | 55 |
| November | 10°C | 8°C | 4°C | 33% | 66% | 6.3 m/s | 0 | 0 | 29 |
| December | 8°C | 7°C | 2°C | 34% | 71% | 6.7 m/s | 0 | 0 | 14 |
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 Douglas weather by season
Year round, Douglas has days of about 7°C at their warmest in January, its coolest month, and 17°C in July, its warmest; the coolest hours of the day run from 6°C to 14°C through the year, and the average temperature over the year is 11°C around the clock. Rain is most likely around December and least likely around May. 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.
Douglas weather in winterDecember to February
Winter in Douglas has typical daily highs of about 8°C and lows of about 6°C, with a 30% chance of rain on a given day.
Douglas weather in springMarch to May
Spring in Douglas has typical daily highs of about 11°C and lows of about 8°C, with a 21% chance of rain on a given day.
Douglas weather in summerJune to August
Summer in Douglas has typical daily highs of about 17°C and lows of about 14°C, with a 22% chance of rain on a given day.
Douglas weather in autumnSeptember to November
Autumn in Douglas has typical daily highs of about 13°C and lows of about 11°C, with a 31% chance of rain on a given day.
When is the rainy season in Douglas?
Douglas has no sharply defined rainy season: the chance of rain on a given day runs from 17% in May, the driest month, to 34% in December, the wettest.
What time of year is Douglas windiest?
Winds in Douglas are highest in February, averaging 7.2 m/s (26 km/h), and lightest in July, at 4.5 m/s (16 km/h). The prevailing wind is from the SW.
What is the average temperature in Douglas year round?
The average temperature in Douglas over the whole year is 11°C. July is the hottest month, with highs of about 17°C; March is the coldest, with lows of about 6°C.
Where to go instead in early 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.