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Rancho Cucamonga Weather in May, USA

Slide and Tap Other Months

  • What is Average Temperature?
    The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month

    Temperature

    19°C
    66°F
  • What is Average High Low Temperature?
    The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily

    High Temperature

    25°C
    78°F
  • What is Average High Low Temperature?
    The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily

    Low Temperature

    12°C
    55°F
  • What is Average Sea Temperature?
    Average daily sea temperatures and divided by the number of days in the month. Sea Temperatures are taken from buoys, ships and even satellites can calculate sea temperature based on energy that is radiated from the sea's surface

    Sea Temperature

    16°C
    62°F
  • What are Average Daily Sunshine Hours?
    Total sunshine hours for the month, divided by the number of days in the month. Sunshine hours are taken with a sunshine recorder, either a Campbell-Stokes recorder or an Eppley Pyreheliometer

    Sunshine Hours

    12 hours
  • What is Average Rainfall?
    The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years

    Rainfall Days

    17.8 days
  • What is Average Rainfall?
    The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years

    Rainfall

    8.9 mm

May, 2024

Sun
Mon
Tue
Wed
1 Avg 22º 72º
Thu
2 Avg 22º 72º
Fri
3 Avg 22º 72º
Sat
4 Avg 20º 68º
5 Avg 17º 63º
6 Avg 16º 61º
7 Avg 16º 61º
8 Avg 17º 63º
9 Avg 18º 64º
10 Avg 19º 66º
11 Avg 21º 70º
12 Avg 22º 72º
13 Avg 22º 72º
14 Avg 22º 72º
15 Avg 19º 66º
16 Avg 20º 68º
17 Avg 20º 68º
18 Avg 20º 68º
19 Avg 20º 68º
20 Avg 21º 70º
21 Avg 21º 70º
22 Avg 20º 68º
23 Avg 20º 68º
24 Avg 19º 66º
25 Avg 19º 66º
26 Avg 19º 66º
27 Avg 20º 68º
28 Avg 21º 70º
29 Avg 21º 70º
30 Avg 22º 72º
31 Avg 22º 72º
Forecast
Avg Historical Daily Average