Weather History for Ontario, CA

Change the Weather History Date:

Month of May, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 103 °F 83 °F 65 °F
Mean Temperature 86 °F 71 °F 60 °F
Min Temperature 69 °F 58 °F 54 °F
Degree Days  
Heating Degree Days (base 65) 5 0 0 9
Cooling Degree Days (base 65) 21 6 0 197
Growing Degree Days (base 50) 36 20 10 630
Dew Point  
Dew Point 58 °F 48 °F -13 °F
Precipitation  
Precipitation 0.35 in 0.01 in 0.00 in 0.35 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 46 mph 6 mph 0 mph
Gust Wind 89 mph 24 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.12 in 29.91 in 29.68 in

Monthly Weather History Graph

Monthly Weather History Graph

Search for Another Location

Airport:

Trip Planner

Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

May. 14, 2013 Rise Set
Actual Time 5:49 AM PDT 7:44 PM PDT
Civil Twilight 5:21 AM PDT 8:12 PM PDT
Nautical Twilight 4:48 AM PDT 8:45 PM PDT
Astronomical Twilight 4:12 AM PDT 9:21 PM PDT
Moon 9:32 AM PDT (5/14) 11:36 PM PDT (5/14)
Length of Visible Light 14h 50m
Length of Day
13h 55m
Waxing Crescent, 19% of the Moon is Illuminated
May 14
Waxing Crescent
May 17
First Quarter
May 24
Full
May 31
Last Quarter
Jun 8
New

Weather History Calendar

Precipitation Actual month total 0.35 Normal Month Total: 0.30
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
87 | 59 0.00
Average:
77 | 54 0.02
Clear
Actual:
93 | 54 0.00
Average:
77 | 54 0.01
Partly Cloudy
Actual:
96 | 56 0.00
Average:
77 | 54 0.02
Partly Cloudy
Actual:
82 | 57 0.00
Average:
77 | 54 0.02
Mostly Cloudy
Actual:
69 | 58 0.00
Average:
77 | 54 0.01
Rain
Actual:
65 | 55 0.35
Average:
77 | 54 0.02
Partly Cloudy
Actual:
69 | 55 T
Average:
78 | 55 0.01
Partly Cloudy
Actual:
72 | 57 0.00
Average:
78 | 55 0.02
Partly Cloudy
Actual:
77 | 54 0.00
Average:
78 | 55 0.01
Partly Cloudy
Actual:
87 | 58 0.00
Average:
78 | 55 0.02
Scattered Clouds
Actual:
97 | 60 0.00
Average:
78 | 55 0.01
Scattered Clouds
Actual:
103 | 65 0.00
Average:
78 | 55 0.02
Scattered Clouds
Actual:
103 | 69 0.00
Average:
78 | 55 0.01
Scattered Clouds
Actual:
90 | 65 0.00
Average:
79 | 56 0.01
Scattered Clouds
Actual:
82 | 56 0.00
Average:
79 | 56 0.01
Partly Cloudy
Actual:
78 | 58 0.00
Average:
79 | 56 0.01
Mostly Cloudy
Actual:
72 | 60 0.00
Average:
79 | 56 0.01
Partly Cloudy
Actual:
79 | 60 0.00
Average:
79 | 56 0.00
Clear
Actual:
84 | 56 0.00
Average:
79 | 56 0.01
Clear
Actual:
95 | 58 0.00
Average:
79 | 56 0.01
Partly Cloudy
Actual:
88 | 60 0.00
Average:
80 | 56 0.00
Partly Cloudy
Actual:
80 | 61 0.00
Average:
80 | 56 0.00
Partly Cloudy
Actual:
76 | 60 0.00
Average:
80 | 56 0.01
Partly Cloudy
Actual:
78 | 57 0.00
Average:
80 | 56 0.00
Partly Cloudy
Actual:
78 | 56 0.00
Average:
80 | 56 0.01
Partly Cloudy
Actual:
77 | 55 0.00
Average:
80 | 57 0.00
Partly Cloudy
Actual:
82 | 57 0.00
Average:
81 | 57 0.00
Partly Cloudy
Actual:
77 | 59 0.00
Average:
81 | 57 0.01
Fog
Actual:
85 | 58 0.00
Average:
81 | 57 0.00
Scattered Clouds
Actual:
88 | 59 0.00
Average:
81 | 57 0.01
Partly Cloudy
Actual:
89 | 61 0.00
Average:
81 | 57 0.00
 

Calendar Legend

Sunny
Clear
Mostly Cloudy
Partly Sunny
Partly Cloudy
Mostly Sunny
Cloudy Rain Snow
Hail
Flurries
Thunderstorms Hazy
Fog
Sleet '?' denotes
'chance of'
Unknown

Daily Weather History & Observations

2013 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
May high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 87 73 59 53 51 45 80 52 23 30.06 29.94 29.87 10 9 5 13 7 - 0.00  
2 93 74 54 53 8 -13 89 46 2 30.12 30.03 29.94 10 10 6 30 14 44 0.00  
3 96 76 56 27 16 -1 28 16 3 30.04 29.85 29.75 10 10 10 17 4 23 0.00  
4 82 70 57 52 41 28 40 29 17 29.85 29.75 29.69 10 10 10 26 6 89 0.00  
5 69 64 58 50 47 44 77 61 45 29.93 29.88 29.81 10 10 10 20 5 24 0.00  
6 65 60 55 55 52 47 93 77 60 30.01 29.96 29.91 10 8 2 13 6 24 0.35 Rain
7 69 62 55 51 47 43 83 61 39 30.06 30.00 29.97 10 10 9 35 7 83 T  
8 72 65 57 52 48 45 80 60 40 30.09 30.06 30.03 10 10 8 46 8 78 0.00  
9 77 66 54 54 49 46 77 58 38 30.08 30.04 29.99 10 10 9 26 5 79 0.00  
10 87 73 58 56 53 50 86 58 29 30.08 30.04 29.96 10 8 3 22 7 26 0.00  
11 97 79 60 57 54 46 84 52 19 30.04 29.99 29.92 10 9 6 18 4 23 0.00  
12 103 84 65 57 46 23 73 40 6 30.01 29.95 29.86 10 9 6 20 5 23 0.00  
13 103 86 69 50 43 33 47 29 10 29.93 29.88 29.82 10 10 10 20 5 26 0.00  
14 90 78 65 51 45 32 48 31 14 29.96 29.89 29.85 10 10 10 18 7 25 0.00  
15 82 69 56 54 51 44 86 58 30 30.00 29.96 29.91 10 9 4 15 6 23 0.00  
16 78 68 58 54 53 50 86 63 40 29.98 29.93 29.85 10 8 4 17 6 22 0.00  
17 72 66 60 55 53 50 78 64 49 30.00 29.93 29.88 10 9 5 22 8 24 0.00  
18 79 70 60 54 52 48 78 57 36 30.03 29.98 29.93 10 10 10 17 8 25 0.00  
19 84 70 56 55 52 47 86 58 30 29.98 29.92 29.84 10 10 10 20 8 25 0.00  
20 95 77 58 57 53 44 78 49 19 29.93 29.88 29.83 10 10 8 20 5 24 0.00  
21 88 74 60 58 55 48 90 58 26 29.94 29.86 29.78 10 7 3 16 6 23 0.00  
22 80 71 61 56 54 51 84 62 39 29.83 29.78 29.73 10 7 4 18 6 25 0.00  
23 76 68 60 52 49 45 72 54 36 29.91 29.85 29.79 10 10 8 16 7 23 0.00  
24 78 68 57 51 49 45 77 55 33 29.97 29.92 29.89 10 10 7 18 6 31 0.00  
25 78 67 56 52 48 41 83 56 28 30.03 29.97 29.93 10 9 6 15 6 21 0.00  
26 77 66 55 52 50 45 86 62 38 30.05 29.99 29.96 10 8 5 15 6 23 0.00  
27 82 70 57 54 52 49 80 57 33 29.97 29.90 29.84 10 9 7 20 7 25 0.00  
28 77 68 59 56 54 52 80 62 43 29.85 29.79 29.73 10 10 7 16 6 23 0.00  
29 85 72 58 56 54 49 86 59 32 29.78 29.74 29.68 10 10 10 17 6 23 0.00 Fog
30 88 74 59 57 54 50 78 54 29 29.85 29.79 29.74 10 10 10 17 5 23 0.00  
31 89 75 61 58 56 49 84 55 26 29.91 29.84 29.76 10 8 4 17 6 22 0.00