Annual mean 13°C · wettest around March · prevailing wind W
Warmest
20.1 °C
Coldest
12.9 °C
Wettest
77%
Windiest
5.3 m/s
Prevailing
W
4.4 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
never good
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Hillsborough over the whole year is 13°C. September is the hottest month, with highs of about 20°C; February is the coldest, with lows of about 8°C. The rainy (wet) season in Hillsborough runs from October to May, peaking in March with a 77% chance of rain on a given day. The dry season is June to September; June is the driest month, at 28%. Winds in Hillsborough are highest in May, averaging 3.7 m/s (13 km/h), and lightest in October, at 2.5 m/s (9 km/h). The prevailing wind is from the W. The clearest skies in Hillsborough come in November, when the sky is typically 39% covered; July is the cloudiest month, at 60%.
Month by month Hillsborough 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
13°C
9°C
10°C
77%
52%
3.0 m/s
13
0
72
February
14°C
8°C
10°C
76%
41%
3.3 m/s
17
0
67
March
14°C
9°C
10°C
77%
53%
3.5 m/s
14
0
69
April
15°C
10°C
12°C
74%
48%
3.6 m/s
23
1
76
May
16°C
12°C
13°C
72%
54%
3.7 m/s
29
3
79
June
18°C
13°C
15°C
28%
49%
3.7 m/s
39
7
79
July
18°C
14°C
16°C
51%
60%
3.3 m/s
51
9
78
August
19°C
14°C
18°C
47%
59%
3.1 m/s
68
10
76
September
20°C
14°C
18°C
44%
49%
2.9 m/s
66
10
77
October
19°C
12°C
17°C
68%
41%
2.5 m/s
60
8
78
November
16°C
10°C
13°C
74%
39%
2.5 m/s
33
0
81
December
14°C
9°C
11°C
76%
45%
2.7 m/s
14
0
74
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 Hillsborough weather by season
Year round, Hillsborough has days of about 13°C at their warmest in January, its coolest month, and 20°C in September, its warmest; the coolest hours of the day run from 8°C to 14°C through the year, and the average temperature over the year is 13°C around the clock. Rain is most likely around March and least likely around June. 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.
Hillsborough weather in winterDecember to February
High 14°CLow 9°CRain 76%
Winter in Hillsborough has typical daily highs of about 14°C and lows of about 9°C, with a 76% chance of rain on a given day.
Hillsborough weather in springMarch to May
High 15°CLow 10°CRain 75%
Spring in Hillsborough has typical daily highs of about 15°C and lows of about 10°C, with a 75% chance of rain on a given day.
Hillsborough weather in summerJune to August
High 18°CLow 14°CRain 42%
Summer in Hillsborough has typical daily highs of about 18°C and lows of about 14°C, with a 42% chance of rain on a given day.
Hillsborough weather in autumnSeptember to November
High 18°CLow 12°CRain 62%
Autumn in Hillsborough has typical daily highs of about 18°C and lows of about 12°C, with a 62% chance of rain on a given day.
When is the rainy season in Hillsborough?
The rainy (wet) season in Hillsborough runs from October to May, peaking in March with a 77% chance of rain on a given day. The dry season is June to September; June is the driest month, at 28%.
What time of year is Hillsborough windiest?
Winds in Hillsborough are highest in May, averaging 3.7 m/s (13 km/h), and lightest in October, at 2.5 m/s (9 km/h). The prevailing wind is from the W.
What is the average temperature in Hillsborough year round?
The average temperature in Hillsborough over the whole year is 13°C. September is the hottest month, with highs of about 20°C; February is the coldest, with lows of about 8°C.