Solar radiation in Welkom Solar radiation 15 days
In the following list by days you can know the forecast of the predicted solar radiation. To know the data hour by hour, click on the day that interests you. If you have a solar panel system, these data will be useful to predict the energy it will produce.
The unit of measurement for solar radiation is expressed in W/m2 (Watts per square meter).
Solar radiation
Today, July 2
Total: 3859 wh/m2Hours08:00105 w/m2
09:00303 w/m2
10:00461 w/m2
11:00569 w/m2
12:00619 w/m2
13:00606 w/m2
14:00531 w/m2
15:00400 w/m2
16:00226 w/m2
17:0039 w/m2
Tomorrow, July 3
Total: 3878 wh/m2Hours08:00114 w/m2
09:00304 w/m2
10:00462 w/m2
11:00570 w/m2
12:00620 w/m2
13:00607 w/m2
14:00532 w/m2
15:00402 w/m2
16:00227 w/m2
17:0040 w/m2
Thursday, July 4
Total: 3854 wh/m2Hours08:00114 w/m2
09:00298 w/m2
10:00449 w/m2
11:00556 w/m2
12:00621 w/m2
13:00608 w/m2
14:00534 w/m2
15:00404 w/m2
16:00229 w/m2
17:0041 w/m2
Friday, July 5
Total: 3896 wh/m2Hours08:00107 w/m2
09:00305 w/m2
10:00464 w/m2
11:00573 w/m2
12:00623 w/m2
13:00610 w/m2
14:00536 w/m2
15:00405 w/m2
16:00231 w/m2
17:0042 w/m2
Saturday, July 6
Total: 3916 wh/m2Hours08:00115 w/m2
09:00306 w/m2
10:00465 w/m2
11:00574 w/m2
12:00624 w/m2
13:00612 w/m2
14:00537 w/m2
15:00407 w/m2
16:00232 w/m2
17:0044 w/m2
Sunday, July 7
Total: 3907 wh/m2Hours08:00116 w/m2
09:00305 w/m2
10:00460 w/m2
11:00563 w/m2
12:00623 w/m2
13:00613 w/m2
14:00539 w/m2
15:00409 w/m2
16:00234 w/m2
17:0045 w/m2
Monday, July 8
Total: 3945 wh/m2Hours08:00117 w/m2
09:00308 w/m2
10:00467 w/m2
11:00577 w/m2
12:00627 w/m2
13:00615 w/m2
14:00541 w/m2
15:00411 w/m2
16:00236 w/m2
17:0046 w/m2
Tuesday, July 9
Total: 3962 wh/m2Hours08:00117 w/m2
09:00309 w/m2
10:00469 w/m2
11:00579 w/m2
12:00629 w/m2
13:00617 w/m2
14:00543 w/m2
15:00413 w/m2
16:00238 w/m2
17:0048 w/m2
Wednesday, July 10
Total: 3977 wh/m2Hours08:00118 w/m2
09:00310 w/m2
10:00470 w/m2
11:00580 w/m2
12:00631 w/m2
13:00619 w/m2
14:00545 w/m2
15:00415 w/m2
16:00240 w/m2
17:0049 w/m2
Thursday, July 11
Total: 3996 wh/m2Hours08:00119 w/m2
09:00311 w/m2
10:00472 w/m2
11:00582 w/m2
12:00633 w/m2
13:00622 w/m2
14:00548 w/m2
15:00417 w/m2
16:00242 w/m2
17:0050 w/m2
Friday, July 12
Total: 4013 wh/m2Hours08:00119 w/m2
09:00312 w/m2
10:00473 w/m2
11:00584 w/m2
12:00635 w/m2
13:00624 w/m2
14:00550 w/m2
15:00420 w/m2
16:00244 w/m2
17:0052 w/m2
Saturday, July 13
Total: 2812 wh/m2Hours08:00121 w/m2
09:00312 w/m2
10:00453 w/m2
11:00490 w/m2
12:00450 w/m2
13:00322 w/m2
14:00138 w/m2
15:00267 w/m2
16:00208 w/m2
17:0051 w/m2
Sunday, July 14
Total: 4053 wh/m2Hours08:00122 w/m2
09:00316 w/m2
10:00477 w/m2
11:00588 w/m2
12:00640 w/m2
13:00628 w/m2
14:00555 w/m2
15:00424 w/m2
16:00248 w/m2
17:0055 w/m2
Monday, July 15
Total: 3793 wh/m2Hours08:00124 w/m2
09:00314 w/m2
10:00440 w/m2
11:00424 w/m2
12:00583 w/m2
13:00620 w/m2
14:00557 w/m2
15:00426 w/m2
16:00249 w/m2
17:0056 w/m2
Tuesday, July 16
Total: 4097 wh/m2Hours08:00125 w/m2
09:00319 w/m2
10:00481 w/m2
11:00593 w/m2
12:00645 w/m2
13:00634 w/m2
14:00560 w/m2
15:00429 w/m2
16:00253 w/m2
17:0058 w/m2
To carry out the solar radiation forecast, the angle of incidence of solar radiation is taken into account, which depends, among others, on the declination, latitude, inclination and hour angle. The weather forecast is also taken into account, since, for example, on a cloudy day we would only have diffuse radiation, much less than direct radiation.