Find your kind of day, anywhere on Earth.
The average temperature in Blue Island over the whole year is 11°C. July is the hottest month, with highs of about 26°C; January is the coldest, with lows of about -4°C. Blue Island has no sharply defined rainy season: the chance of rain on a given day runs from 49% in February, the driest month, to 57% in July, the wettest. Winds in Blue Island are highest in March, averaging 5.0 m/s (18 km/h), and lightest in July, at 3.3 m/s (12 km/h). The prevailing wind is from the W. The clearest skies in Blue Island come in August, when the sky is typically 40% covered; January is the cloudiest month, at 66%.
| Month | High | Low | Feels like | Chance of rain | Cloud | Wind | Being outside | Sun | Walking |
|---|---|---|---|---|---|---|---|---|---|
| January | -2°C | -4°C | -8°C | 50% | 66% | 4.9 m/s | 0 | 0 | 1 |
| February | 1°C | -3°C | -5°C | 49% | 55% | 4.9 m/s | 1 | 0 | 7 |
| March | 6°C | 2°C | 1°C | 56% | 56% | 5.0 m/s | 3 | 0 | 17 |
| April | 12°C | 6°C | 6°C | 54% | 55% | 4.9 m/s | 16 | 1 | 38 |
| May | 18°C | 13°C | 15°C | 57% | 52% | 4.2 m/s | 44 | 11 | 55 |
| June | 25°C | 19°C | 23°C | 53% | 42% | 3.8 m/s | 56 | 35 | 40 |
| July | 26°C | 21°C | 27°C | 57% | 41% | 3.3 m/s | 50 | 52 | 21 |
| August | 26°C | 20°C | 26°C | 56% | 40% | 3.3 m/s | 56 | 48 | 26 |
| September | 23°C | 16°C | 22°C | 54% | 42% | 3.6 m/s | 65 | 29 | 50 |
| October | 16°C | 10°C | 12°C | 56% | 50% | 4.3 m/s | 33 | 4 | 57 |
| November | 8°C | 3°C | 2°C | 53% | 53% | 4.7 m/s | 6 | 0 | 24 |
| December | 2°C | -1°C | -4°C | 55% | 61% | 4.7 m/s | 0 | 0 | 6 |
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.
Year round, Blue Island has days of about -2°C at their warmest in January, its coolest month, and 26°C in July, its warmest; the coolest hours of the day run from -4°C to 21°C through the year, and the average temperature over the year is 11°C around the clock. Rain is most likely around July and least likely around February. 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.
Winter in Blue Island has typical daily highs of about 1°C and lows of about -3°C, with a 51% chance of rain on a given day.
Spring in Blue Island has typical daily highs of about 12°C and lows of about 7°C, with a 55% chance of rain on a given day.
Summer in Blue Island has typical daily highs of about 26°C and lows of about 20°C, with a 56% chance of rain on a given day.
Autumn in Blue Island has typical daily highs of about 15°C and lows of about 10°C, with a 55% chance of rain on a given day.
Blue Island has no sharply defined rainy season: the chance of rain on a given day runs from 49% in February, the driest month, to 57% in July, the wettest.
Winds in Blue Island are highest in March, averaging 5.0 m/s (18 km/h), and lightest in July, at 3.3 m/s (12 km/h). The prevailing wind is from the W.
The average temperature in Blue Island over the whole year is 11°C. July is the hottest month, with highs of about 26°C; January is the coldest, with lows of about -4°C.